CVE-2018-14655 (GCVE-0-2018-14655)
Vulnerability from cvelistv5 – Published: 2018-11-13 19:00 – Updated: 2024-08-05 09:38
VLAI
EPSS
VEX
Summary
A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using 'response_mode=form_post' it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login.
Severity
4.6 (Medium)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:3592 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:3593 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:3595 | vendor-advisoryx_refsource_REDHAT |
Impacted products
Date Public
2018-11-13 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T09:38:13.384Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655"
},
{
"name": "RHSA-2018:3592",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3592"
},
{
"name": "RHSA-2018:3593",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3593"
},
{
"name": "RHSA-2018:3595",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT",
"x_transferred"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3595"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "keycloak",
"vendor": "Red Hat",
"versions": [
{
"status": "affected",
"version": "3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final"
}
]
}
],
"datePublic": "2018-11-13T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using \u0027response_mode=form_post\u0027 it is possible to inject arbitrary Javascript-Code via the \u0027state\u0027-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login."
}
],
"metrics": [
{
"cvssV3_0": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2018-11-14T10:57:02.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655"
},
{
"name": "RHSA-2018:3592",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3592"
},
{
"name": "RHSA-2018:3593",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3593"
},
{
"name": "RHSA-2018:3595",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3595"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2018-14655",
"datePublished": "2018-11-13T19:00:00.000Z",
"dateReserved": "2018-07-27T00:00:00.000Z",
"dateUpdated": "2024-08-05T09:38:13.384Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2018-14655",
"date": "2026-09-19",
"epss": "0.01194",
"percentile": "0.66642"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:keycloak:3.4.3:*:*:*:*:*:*:*",
"matchCriteriaId": "3D602684-69EC-4051-AF5B-02595A16BEBA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:redhat:keycloak:4.0.0:beta2:*:*:*:*:*:*",
"matchCriteriaId": "91B84EB8-4384-4638-9033-914B0F378D46",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:redhat:keycloak:4.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "45BFBB51-AC74-453F-B24D-2BB1E04BD410",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*",
"matchCriteriaId": "FABBE0BB-135A-458C-BD84-54C052FFDC57",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:linux:7.0:*:*:*:*:*:*:*",
"matchCriteriaId": "29B186E5-7C2F-466E-AA4A-8F2B618F8A14",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*",
"matchCriteriaId": "FABBE0BB-135A-458C-BD84-54C052FFDC57",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:linux:6.0:*:*:*:*:*:*:*",
"matchCriteriaId": "2DFA94D5-0139-490C-8257-0751FE9FBAE4",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*",
"matchCriteriaId": "341E6313-20D5-44CB-9719-B20585DC5AD6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using \u0027response_mode=form_post\u0027 it is possible to inject arbitrary Javascript-Code via the \u0027state\u0027-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login."
},
{
"lang": "es",
"value": "Se ha descubierto un error en Keycloak 3.4.3.Final, 4.0.0.Beta2 y 4.3.0.Final. Al emplear \"response_mode=form_post\", es posible inyectar c\u00f3digo JavaScript arbitrario mediante el par\u00e1metro \"state\" en la URL de autenticaci\u00f3n. Esto permite un ataque Cross-Site Scripting (XSS) al iniciar sesi\u00f3n exitosamente."
}
],
"id": "CVE-2018-14655",
"lastModified": "2024-11-21T03:49:31.257",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
"version": "3.0"
},
"exploitabilityScore": 2.1,
"impactScore": 2.5,
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.0"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2018-11-13T19:29:00.307",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3592"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3593"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3595"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3592"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3593"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3595"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:keycloak:3.4.3:*:*:*:*:*:*:*",
"matchCriteriaId": "3D602684-69EC-4051-AF5B-02595A16BEBA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:redhat:keycloak:4.0.0:beta2:*:*:*:*:*:*",
"matchCriteriaId": "91B84EB8-4384-4638-9033-914B0F378D46",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:redhat:keycloak:4.3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "45BFBB51-AC74-453F-B24D-2BB1E04BD410",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*",
"matchCriteriaId": "FABBE0BB-135A-458C-BD84-54C052FFDC57",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:linux:7.0:*:*:*:*:*:*:*",
"matchCriteriaId": "29B186E5-7C2F-466E-AA4A-8F2B618F8A14",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*",
"matchCriteriaId": "FABBE0BB-135A-458C-BD84-54C052FFDC57",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:linux:6.0:*:*:*:*:*:*:*",
"matchCriteriaId": "2DFA94D5-0139-490C-8257-0751FE9FBAE4",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*",
"matchCriteriaId": "341E6313-20D5-44CB-9719-B20585DC5AD6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using \u0027response_mode=form_post\u0027 it is possible to inject arbitrary Javascript-Code via the \u0027state\u0027-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login."
},
{
"lang": "es",
"value": "Se ha descubierto un error en Keycloak 3.4.3.Final, 4.0.0.Beta2 y 4.3.0.Final. Al emplear \"response_mode=form_post\", es posible inyectar c\u00f3digo JavaScript arbitrario mediante el par\u00e1metro \"state\" en la URL de autenticaci\u00f3n. Esto permite un ataque Cross-Site Scripting (XSS) al iniciar sesi\u00f3n exitosamente."
}
],
"id": "CVE-2018-14655",
"lastModified": "2024-11-21T03:49:31.257",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
"version": "3.0"
},
"exploitabilityScore": 2.1,
"impactScore": 2.5,
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.0"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2018-11-13T19:29:00.307",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3592"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3593"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3595"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3592"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3593"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2018:3595"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14655"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-30T11:34:35+00:00",
"cve": "CVE-2018-14655",
"id": "CVE-2018-14655",
"initial_release_date": "2018-11-13T17:37:00+00:00",
"product_status:fixed": "7",
"product_status:known_affected": "2",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "keycloak: XSS-Vulnerability with response_mode=form_post",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-14655.json",
"version": "3"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…