FKIE_CVE-2019-5471
Vulnerability from fkie_nvd - Published: 2019-09-09 18:15 - Updated: 2026-06-17 02:37
Severity
Summary
An input validation and output encoding issue was discovered in the GitLab email notification feature which could result in a persistent XSS. This was addressed in GitLab 12.1.2, 12.0.4, and 11.11.6.
References
| URL | Tags | ||
|---|---|---|---|
| support@hackerone.com | https://gitlab.com/gitlab-org/gitlab-ee/issues/11515 | Exploit, Vendor Advisory | |
| support@hackerone.com | https://hackerone.com/reports/496973 | Exploit, Third Party Advisory | |
| nvd@nist.gov | https://about.gitlab.com/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/ | Broken Link, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gitlab.com/gitlab-org/gitlab-ee/issues/11515 | Exploit, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://hackerone.com/reports/496973 | Exploit, Third Party Advisory |
{
"affected": [
{
"affectedData": [
{
"product": "GitLab",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Fixed versions 12.1.2, 12.0.4, and 11.11.6"
}
]
}
],
"source": "support@hackerone.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"matchCriteriaId": "33FB67D6-7874-4224-A89C-BFD3080796DA",
"versionEndExcluding": "11.11.7",
"versionStartIncluding": "11.11.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "0ABDFAF2-C1E3-4416-8E67-1CF2ABA29FEF",
"versionEndExcluding": "11.11.7",
"versionStartIncluding": "11.11.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"matchCriteriaId": "62DEEA13-4D2C-436B-9780-983FC707DDF6",
"versionEndExcluding": "12.0.4",
"versionStartIncluding": "12.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "595B584B-2A5C-44F6-AC4C-51ACF913C6C5",
"versionEndExcluding": "12.0.4",
"versionStartIncluding": "12.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"matchCriteriaId": "99659BEC-15D0-4E75-BEBE-727FC32D9B35",
"versionEndExcluding": "12.1.2",
"versionStartIncluding": "12.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"matchCriteriaId": "D12A3A81-4A4F-441A-A820-F2D19B1A5C89",
"versionEndExcluding": "12.1.2",
"versionStartIncluding": "12.1.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An input validation and output encoding issue was discovered in the GitLab email notification feature which could result in a persistent XSS. This was addressed in GitLab 12.1.2, 12.0.4, and 11.11.6."
},
{
"lang": "es",
"value": "Se detect\u00f3 un problema de comprobaci\u00f3n de entrada y codificaci\u00f3n de salida en la funcionalidad de notificaci\u00f3n de correo electr\u00f3nico de GitLab lo que podr\u00eda resultar un ataque XSS persistente. Esto se abord\u00f3 en GitLab versiones 12.1.2, 12.0.4 y 11.11.6."
}
],
"id": "CVE-2019-5471",
"lastModified": "2026-06-17T02:37:44.840",
"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
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.3,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2019-09-09T18:15:10.653",
"references": [
{
"source": "support@hackerone.com",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://gitlab.com/gitlab-org/gitlab-ee/issues/11515"
},
{
"source": "support@hackerone.com",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/496973"
},
{
"source": "nvd@nist.gov",
"tags": [
"Broken Link",
"Vendor Advisory"
],
"url": "https://about.gitlab.com/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://gitlab.com/gitlab-org/gitlab-ee/issues/11515"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/496973"
}
],
"sourceIdentifier": "support@hackerone.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "support@hackerone.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
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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.
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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.
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