Common Weakness Enumeration
CWE-434
AllowedUnrestricted Upload of File with Dangerous Type
Abstraction: Base · Status: Draft
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
6273 vulnerabilities reference this CWE, most recent first.
CVE-2026-77991 (GCVE-0-2026-77991)
Vulnerability from cvelistv5 – Published: 2026-08-27 05:50 – Updated: 2026-08-28 07:47
VLAI
EPSS
VEX
Title
Joomla Extension - joomlaeventmanager.net - Privileged remote code execution in Joomla Event Manager < 5.0.1
Summary
Joomla Extension - joomlaeventmanager.net - Privileged remote code execution in Joomla Event Manager < 5.0.1 - The administrator source model allows to write dangerous file type incl. PHP, leading to remote code execution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 13:45 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.joomlaeventmanager.net/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| joomlaeventmanager.net | JEM - Joomla Event Manager extension for Joomla |
Affected:
1.0.0-5.0.0
|
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CVE-2026-77681 (GCVE-0-2026-77681)
Vulnerability from cvelistv5 – Published: 2026-08-21 09:45 – Updated: 2026-08-26 13:37
VLAI
EPSS
VEX
Title
CodeAstro Online Job Portal update-profile.php unrestricted upload
Summary
A vulnerability was identified in CodeAstro Online Job Portal 1.0. Affected by this vulnerability is an unknown functionality of the file /users/update-profile.php. The manipulation of the argument Name leads to unrestricted upload. The attack can be initiated remotely. The exploit is publicly available and might be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 13:37 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/394032 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/394032/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-77681 | third-party-advisory |
| https://vuldb.com/submit/881033 | third-party-advisory |
| https://github.com/Witiers/CVEs/issues/3 | exploitissue-tracking |
| https://codeastro.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CodeAstro | Online Job Portal |
Affected:
1.0
cpe:2.3:a:codeastro:online_job_portal:*:*:*:*:*:*:*:* |
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CVE-2026-76995 (GCVE-0-2026-76995)
Vulnerability from cvelistv5 – Published: 2026-08-20 14:45 – Updated: 2026-08-20 17:00 X_Freeware
VLAI
EPSS
VEX
Title
SourceCodester Simple Online Food Ordering System ajax.php save_menu unrestricted upload
Summary
A vulnerability was identified in SourceCodester Simple Online Food Ordering System 1.0. This issue affects some unknown processing of the file /admin/ajax.php?action=save_menu. The manipulation of the argument img leads to unrestricted upload. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 16:59 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/393618 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/393618/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-76995 | third-party-advisory |
| https://vuldb.com/submit/880371 | third-party-advisory |
| https://github.com/hubdk01/cve/issues/1 | exploitissue-tracking |
| https://www.sourcecodester.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SourceCodester | Simple Online Food Ordering System |
Affected:
1.0
cpe:2.3:a:sourcecodester:simple_online_food_ordering_system:*:*:*:*:*:*:*:* |
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CVE-2026-76800 (GCVE-0-2026-76800)
Vulnerability from cvelistv5 – Published: 2026-08-20 02:00 – Updated: 2026-08-21 16:10
VLAI
EPSS
VEX
Title
DeDeCMS select_media_post.php unrestricted upload
Summary
A flaw has been found in DeDeCMS 3. Affected by this vulnerability is an unknown functionality of the file /include/dialog/select_media_post.php. Executing a manipulation of the argument uploadfile can lead to unrestricted upload. The attack can be executed remotely. The exploit has been published and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 16:08 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/393317 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/393317/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-76800 | third-party-advisory |
| https://vuldb.com/submit/880081 | third-party-advisory |
| https://uvxbywu62qm.feishu.cn/wiki/TKqDwJGYaiBVXp… | exploit |
Impacted products
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CVE-2026-76174 (GCVE-0-2026-76174)
Vulnerability from cvelistv5 – Published: 2026-09-03 09:38 – Updated: 2026-09-03 13:00
VLAI
EPSS
VEX
Title
Multiple vulnerabilities in Ocsreports for OCS Inventory NG
Summary
Unrestricted file upload vulnerability in the CSV file upload functionality of the Ocsreports admin_info endpoint. The application validates files solely based on the name provided by the client, without properly checking their content or securely restricting the permitted file types. This allows a user with administrator privileges to upload PHP files to a directory accessible via the web interface. If the file is subsequently processed by the server, an attacker could execute arbitrary code with the privileges of the account used by the web service.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 13:00 UTC
CWE
- CWE-434 - Unrestricted upload of file with dangerous type
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OCS Inventory NG | Ocsreports |
Affected:
2.12.6
cpe:2.3:a:ocs_inventory_ng:ocsreports:2.12.6:*:*:*:*:*:*:* |
Date Public
2026-09-03 09:28
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CVE-2026-75949 (GCVE-0-2026-75949)
Vulnerability from cvelistv5 – Published: 2026-08-19 14:40 – Updated: 2026-08-21 19:16
VLAI
EPSS
VEX
Title
Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3
Summary
Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3 - Upload/remove accepted a client-controlled root (_path_type could point at the component site/admin trees), did not enforce path containment, and used a weak extension check. CSRF token was also missing on upload/remove.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 16:04 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cmsjunkie.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| cmsjunkie.com | J-BusinessDirectory extension for Joomla |
Affected:
1.0.0-6.2.2
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CVE-2026-75865 (GCVE-0-2026-75865)
Vulnerability from cvelistv5 – Published: 2026-09-01 02:26 – Updated: 2026-09-01 15:14
VLAI
EPSS
VEX
Title
WPLP Cookie Consent <= 4.4.1 - Unauthenticated Arbitrary File Upload via 'upload-logo' REST Endpoint
Summary
The WPLP Cookie Consent – Cookie Banner & Consent Management for GDPR, CCPA & Google Consent Mode plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the saas_upload_logo() function combined with an authorization bypass on the WPLP connector REST endpoints in all versions up to, and including, 4.4.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 15:14 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wplegalpages | WPLP Cookie Consent – Cookie Banner & Consent Management for GDPR, CCPA & Google Consent Mode |
Affected:
0 , ≤ 4.4.1
(semver)
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CVE-2026-75496 (GCVE-0-2026-75496)
Vulnerability from cvelistv5 – Published: 2026-08-25 16:36 – Updated: 2026-08-25 18:05
VLAI
EPSS
VEX
Title
Webkul QloApps improper file upload validation
Summary
Webkul QloApps does not perform proper validation on uploaded file extensions or MIME types before moving the file to a publicly accessible directory. A remote, authenticated attacker with administrative privileges could upload executable files and achieve remote code execution. Fixed in 153ec1c.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · cisa-cg (v2.0.3)
Decision recorded 2026-08-17 20:27 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Qloapps/QloApps/pull/1801/comm… | patch |
| https://raw.githubusercontent.com/cisagov/CSAF/de… | third-party-advisory |
| https://www.cve.org/CVERecord?id=CVE-2026-75496 | vdb-entry |
Impacted products
Date Public
2026-07-20 00:00
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CVE-2026-74845 (GCVE-0-2026-74845)
Vulnerability from cvelistv5 – Published: 2026-08-17 09:53 – Updated: 2026-08-17 10:18
VLAI
EPSS
VEX
Title
2100 Technology｜Official Document Management System - Arbitrary File Upload
Summary
Official Document Management System developed by 2100 Technology has an Arbitrary File Upload vulnerability, allowing authenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 10:18 UTC
CWE
- CWE-434 - Unrestricted upload of file with dangerous type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-11108-7b14c-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-11109-82377-2.html | third-party-advisory |
| https://www.chtsecurity.com/news/d494c700-1051-48… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| 2100 Technology | Official Document Management System |
Affected:
0 , < 5.0.105
(custom)
|
Date Public
2026-08-17 06:27
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CVE-2026-74803 (GCVE-0-2026-74803)
Vulnerability from cvelistv5 – Published: 2026-08-19 13:39 – Updated: 2026-08-21 04:48
VLAI
EPSS
VEX
Title
Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64
Summary
Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts arbitrary files when the client-supplied Content-Type falls within the image MIME group.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:35 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.yootheme.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| yootheme.com | Zoo extension for Joomla |
Affected:
1.0.0-4.1.63
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Mitigation
Architecture and Design
Generate a new, unique filename for an uploaded file instead of using the user-supplied filename, so that no external input is used at all.[REF-422] [REF-423]
Mitigation MIT-21
Architecture and Design
Strategy: Enforcement by Conversion
When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
Mitigation
Architecture and Design
Consider storing the uploaded files outside of the web document root entirely. Then, use other mechanisms to deliver the files dynamically. [REF-423]
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- For example, limiting filenames to alphanumeric characters can help to restrict the introduction of unintended file extensions.
Mitigation
Architecture and Design
Define a very limited set of allowable extensions and only generate filenames that end in these extensions. Consider the possibility of XSS (CWE-79) before allowing .html or .htm file types.
Mitigation
Implementation
Strategy: Input Validation
Ensure that only one extension is used in the filename. Some web servers, including some versions of Apache, may process files based on inner extensions so that "filename.php.gif" is fed to the PHP interpreter.[REF-422] [REF-423]
Mitigation
Implementation
When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Implementation
Do not rely exclusively on sanity checks of file contents to ensure that the file is of the expected type and size. It may be possible for an attacker to hide code in some file segments that will still be executed by the server. For example, GIF images may contain a free-form comments field.
Mitigation
Implementation
Do not rely exclusively on the MIME content type or filename attribute when determining how to render a file. Validating the MIME content type and ensuring that it matches the extension is only a partial solution.
Mitigation MIT-17
Architecture and Design
Operation
Strategy: Environment Hardening
Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation MIT-22
Architecture and Design
Operation
Strategy: Sandbox or Jail
- Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
- OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs
In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.