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304 vulnerabilities by Wikimedia Foundation
CVE-2026-102796 (GCVE-0-2026-102796)
Vulnerability from nvd – Published: 2026-09-29 16:55 – Updated: 2026-10-01 18:16
VLAI
EPSS
VEX
Title
Unauthenticated SQL injection in UserPageViewTracker via filterusers and ignoreusers parameters
Summary
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Wikimedia Foundation Mediawiki - UserPageViewTracker Extension allows SQL Injection.
This issue affects Mediawiki - UserPageViewTracker Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:16 UTC
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - UserPageViewTracker Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
|
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CVE-2026-100245 (GCVE-0-2026-100245)
Vulnerability from nvd – Published: 2026-09-29 16:52 – Updated: 2026-09-30 20:43
VLAI
EPSS
VEX
Title
Stored XSS on Wikibase Special:SetSiteLink via unescaped system message
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Stored XSS.
This issue affects Mediawiki - Wikibase Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 20:43 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Wikibase Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
|
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},
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CVE-2026-100244 (GCVE-0-2026-100244)
Vulnerability from nvd – Published: 2026-09-29 16:48 – Updated: 2026-09-30 20:44
VLAI
EPSS
VEX
Title
CentralAuth exposes locally suppressed block information via globaluserinfo API and Special:CentralAuth (incomplete fix for CVE-2025-62669)
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows Excavation.
This issue affects Mediawiki - CentralAuth Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 20:43 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - CentralAuth Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
|
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CVE-2026-100243 (GCVE-0-2026-100243)
Vulnerability from nvd – Published: 2026-09-29 16:43 – Updated: 2026-09-30 20:45
VLAI
EPSS
VEX
Title
Stored XSS in WikiSEO author and image properties on action=info
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiSEO Extension allows Stored XSS.
This issue affects Mediawiki - WikiSEO Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 20:44 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - WikiSEO Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
|
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},
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},
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}
CVE-2026-100242 (GCVE-0-2026-100242)
Vulnerability from nvd – Published: 2026-09-29 16:40 – Updated: 2026-10-01 18:13
VLAI
EPSS
VEX
Title
DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion)
Summary
Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation.
This issue affects Mediawiki - DataTransfer Extension: from 1.46.0 before 1.47.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:11 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - DataTransfer Extension |
Affected:
1.46.0 , < 1.47.0
(semver)
|
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"scope": "UNCHANGED",
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}
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"timestamp": "2026-10-01T18:11:41.266497Z",
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CVE-2026-100241 (GCVE-0-2026-100241)
Vulnerability from nvd – Published: 2026-09-29 16:36 – Updated: 2026-09-30 20:46
VLAI
EPSS
VEX
Title
Private change tags exposed to anonymous users via revision-tags-change events
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - EventBus Extension allows Excavation.
This issue affects Mediawiki - EventBus Extension: 1.47.0-alpha.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 20:45 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - EventBus Extension |
Affected:
1.47.0-alpha
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CVE-2026-100240 (GCVE-0-2026-100240)
Vulnerability from nvd – Published: 2026-09-29 16:26 – Updated: 2026-10-01 18:07
VLAI
EPSS
VEX
Title
TemplateSandbox does not check read permissions for the page being previewed
Summary
Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Accessing Functionality Not Properly Constrained by ACLs.
This issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:07 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - TemplateSandbox Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
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CVE-2026-100238 (GCVE-0-2026-100238)
Vulnerability from nvd – Published: 2026-09-29 16:12 – Updated: 2026-09-30 20:11
VLAI
EPSS
VEX
Title
Flow colon-separator and flow-guidedtour-optin-welcome-description messages allow stored XSS
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Flow Extension allows Stored XSS.
This issue affects Mediawiki - Flow Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 18:40 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Flow Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
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CVE-2026-100383 (GCVE-0-2026-100383)
Vulnerability from nvd – Published: 2026-09-25 21:05 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
Stored i18n XSS in WikiLambda's VisualEditor integration
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Cross-Site Scripting (XSS).
This issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the `master` branch.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:43 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - WikiLambda Extension |
Affected:
1.47.0-alpha
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CVE-2026-100382 (GCVE-0-2026-100382)
Vulnerability from nvd – Published: 2026-09-25 21:04 – Updated: 2026-09-26 22:51Title
Unauthenticated remote code execution through wikitext in ExternalData
Summary
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection.
This issue affects Mediawiki - ExternalData Extension: from * before 3.7.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:43 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - ExternalData Extension |
Affected:
* , < 3.7
(custom)
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CVE-2026-100381 (GCVE-0-2026-100381)
Vulnerability from nvd – Published: 2026-09-25 21:00 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
UploadWizard Flickr collection and set titles allow DOM XSS
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - UploadWizard Extension allows Cross-Site Scripting (XSS).
This issue affects Mediawiki - UploadWizard Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:43 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
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|---|---|---|---|
| Wikimedia Foundation | Mediawiki - UploadWizard Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
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CVE-2026-100380 (GCVE-0-2026-100380)
Vulnerability from nvd – Published: 2026-09-25 20:58 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
Reflected XSS in Wikibase Special:SetLabel language validation
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting (XSS).
This issue affects Mediawiki - Wikibase Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:43 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Wikibase Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
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CVE-2026-100379 (GCVE-0-2026-100379)
Vulnerability from nvd – Published: 2026-09-25 20:54 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
Cross-request disclosure of CentralAuth cookies in Wikipedia Android App
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Wikipedia Android App allows Accessing/Intercepting/Modifying HTTP Cookies.
This issue affects Wikipedia Android App: main.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:42 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Wikipedia Android App |
Affected:
main
(custom)
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CVE-2026-100378 (GCVE-0-2026-100378)
Vulnerability from nvd – Published: 2026-09-25 20:50 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
Missing permission check in the Translate sandbox doRemind action
Summary
Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - Translate Extension allows Accessing Functionality Not Properly Constrained by ACLs.
This issue affects Mediawiki - Translate Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:42 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Translate Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
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CVE-2026-100377 (GCVE-0-2026-100377)
Vulnerability from nvd – Published: 2026-09-25 20:47 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
Revision-deleted pages can be viewed through WikiLambda's action=edit and Special:ViewAbstract
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Excavation.
This issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the `master` branch.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:42 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - WikiLambda Extension |
Affected:
1.47.0-alpha
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CVE-2026-100376 (GCVE-0-2026-100376)
Vulnerability from nvd – Published: 2026-09-25 20:48 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
TemplateSandbox can be abused for XSS by asking another user to preview a page with a certain sandbox prefix
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Cross-Site Scripting (XSS).
This issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:42 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - TemplateSandbox Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
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CVE-2026-102796 (GCVE-0-2026-102796)
Vulnerability from cvelistv5 – Published: 2026-09-29 16:55 – Updated: 2026-10-01 18:16
VLAI
EPSS
VEX
Title
Unauthenticated SQL injection in UserPageViewTracker via filterusers and ignoreusers parameters
Summary
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Wikimedia Foundation Mediawiki - UserPageViewTracker Extension allows SQL Injection.
This issue affects Mediawiki - UserPageViewTracker Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:16 UTC
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - UserPageViewTracker Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
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CVE-2026-100245 (GCVE-0-2026-100245)
Vulnerability from cvelistv5 – Published: 2026-09-29 16:52 – Updated: 2026-09-30 20:43
VLAI
EPSS
VEX
Title
Stored XSS on Wikibase Special:SetSiteLink via unescaped system message
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Stored XSS.
This issue affects Mediawiki - Wikibase Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 20:43 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Wikibase Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
|
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CVE-2026-100244 (GCVE-0-2026-100244)
Vulnerability from cvelistv5 – Published: 2026-09-29 16:48 – Updated: 2026-09-30 20:44
VLAI
EPSS
VEX
Title
CentralAuth exposes locally suppressed block information via globaluserinfo API and Special:CentralAuth (incomplete fix for CVE-2025-62669)
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows Excavation.
This issue affects Mediawiki - CentralAuth Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 20:43 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - CentralAuth Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
|
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CVE-2026-100243 (GCVE-0-2026-100243)
Vulnerability from cvelistv5 – Published: 2026-09-29 16:43 – Updated: 2026-09-30 20:45
VLAI
EPSS
VEX
Title
Stored XSS in WikiSEO author and image properties on action=info
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiSEO Extension allows Stored XSS.
This issue affects Mediawiki - WikiSEO Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 20:44 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - WikiSEO Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
|
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CVE-2026-100242 (GCVE-0-2026-100242)
Vulnerability from cvelistv5 – Published: 2026-09-29 16:40 – Updated: 2026-10-01 18:13
VLAI
EPSS
VEX
Title
DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion)
Summary
Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation.
This issue affects Mediawiki - DataTransfer Extension: from 1.46.0 before 1.47.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:11 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - DataTransfer Extension |
Affected:
1.46.0 , < 1.47.0
(semver)
|
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CVE-2026-100241 (GCVE-0-2026-100241)
Vulnerability from cvelistv5 – Published: 2026-09-29 16:36 – Updated: 2026-09-30 20:46
VLAI
EPSS
VEX
Title
Private change tags exposed to anonymous users via revision-tags-change events
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - EventBus Extension allows Excavation.
This issue affects Mediawiki - EventBus Extension: 1.47.0-alpha.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 20:45 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - EventBus Extension |
Affected:
1.47.0-alpha
|
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CVE-2026-100240 (GCVE-0-2026-100240)
Vulnerability from cvelistv5 – Published: 2026-09-29 16:26 – Updated: 2026-10-01 18:07
VLAI
EPSS
VEX
Title
TemplateSandbox does not check read permissions for the page being previewed
Summary
Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Accessing Functionality Not Properly Constrained by ACLs.
This issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 18:07 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - TemplateSandbox Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
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CVE-2026-100238 (GCVE-0-2026-100238)
Vulnerability from cvelistv5 – Published: 2026-09-29 16:12 – Updated: 2026-09-30 20:11
VLAI
EPSS
VEX
Title
Flow colon-separator and flow-guidedtour-optin-welcome-description messages allow stored XSS
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Flow Extension allows Stored XSS.
This issue affects Mediawiki - Flow Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 18:40 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Flow Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
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CVE-2026-100383 (GCVE-0-2026-100383)
Vulnerability from cvelistv5 – Published: 2026-09-25 21:05 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
Stored i18n XSS in WikiLambda's VisualEditor integration
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Cross-Site Scripting (XSS).
This issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the `master` branch.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:43 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - WikiLambda Extension |
Affected:
1.47.0-alpha
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CVE-2026-100382 (GCVE-0-2026-100382)
Vulnerability from cvelistv5 – Published: 2026-09-25 21:04 – Updated: 2026-09-26 22:51Title
Unauthenticated remote code execution through wikitext in ExternalData
Summary
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection.
This issue affects Mediawiki - ExternalData Extension: from * before 3.7.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:43 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - ExternalData Extension |
Affected:
* , < 3.7
(custom)
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CVE-2026-100381 (GCVE-0-2026-100381)
Vulnerability from cvelistv5 – Published: 2026-09-25 21:00 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
UploadWizard Flickr collection and set titles allow DOM XSS
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - UploadWizard Extension allows Cross-Site Scripting (XSS).
This issue affects Mediawiki - UploadWizard Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:43 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - UploadWizard Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
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CVE-2026-100380 (GCVE-0-2026-100380)
Vulnerability from cvelistv5 – Published: 2026-09-25 20:58 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
Reflected XSS in Wikibase Special:SetLabel language validation
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting (XSS).
This issue affects Mediawiki - Wikibase Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:43 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Wikibase Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
|
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CVE-2026-100379 (GCVE-0-2026-100379)
Vulnerability from cvelistv5 – Published: 2026-09-25 20:54 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
Cross-request disclosure of CentralAuth cookies in Wikipedia Android App
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Wikipedia Android App allows Accessing/Intercepting/Modifying HTTP Cookies.
This issue affects Wikipedia Android App: main.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:42 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Wikipedia Android App |
Affected:
main
(custom)
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CVE-2026-100378 (GCVE-0-2026-100378)
Vulnerability from cvelistv5 – Published: 2026-09-25 20:50 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Title
Missing permission check in the Translate sandbox doRemind action
Summary
Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - Translate Extension allows Accessing Functionality Not Properly Constrained by ACLs.
This issue affects Mediawiki - Translate Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:42 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Translate Extension |
Affected:
* , < 1.46.1, 1.45.5, 1.43.10
(semver)
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"url": "https://phabricator.wikimedia.org/T433070"
},
{
"url": "https://gerrit.wikimedia.org/r/q/I9b74c849b223f18955b42779f5ffbd1e051e415c"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Missing permission check in the Translate sandbox doRemind action",
"x_generator": {
"engine": "Vulnogram 1.0.2"
}
}
},
"cveMetadata": {
"assignerOrgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
"assignerShortName": "wikimedia-foundation",
"cveId": "CVE-2026-100378",
"datePublished": "2026-09-25T20:50:28.366Z",
"dateReserved": "2026-09-25T19:28:11.982Z",
"dateUpdated": "2026-09-26T22:51:18.316Z",
"state": "PUBLISHED"
},
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"dataVersion": "5.2"
}