Medium
Security advisory
An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is a persistent XSS vulnerability in the environment pages due to a lack of input validation and output encoding.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-19493
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:28 UTC · Revision 1
Source evidence
An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is a persistent XSS vulnerability in the environment pages due to a lack of input validation and output encoding.
osv:CVE-2018-19493
Complete source record
{
"id": "2cb577bf7df0cec7cc0ab71fd5b3c189bea05edd36317ad24be1e7c5581cf234",
"url": "https://osv.dev/vulnerability/CVE-2018-19493",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-19493",
"summary": "An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is a persistent XSS vulnerability in the environment pages due to a lack of input validation and output encoding.",
"evidence": "osv:CVE-2018-19493",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-19493",
"aliases": [
"CVE-2018-19493"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/gitlab-org/gitlab",
"type": "GIT",
"events": [
{
"introduced": "c6f72ac9a88521257991aa9a0cc6d558126f5bb9"
},
{
"fixed": "97bf583178874e2617c347c33ca30b9b33b97402"
},
{
"introduced": "cfe266cbac3c5d413e9c061fff420630e517005f"
},
{
"fixed": "966cce5bfe657c7676dcc02125bb89bd3f067887"
},
{
"introduced": "cb71fca38c3de0c212685f97a46ee8426f63d301"
},
{
"fixed": "cab68f5d2035026e5e29ef68b79fdfe5ca90f947"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.3.11"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.3.11"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "11.4.0"
},
{
"fixed": "11.4.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "11.4.0"
},
{
"fixed": "11.4.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "11.5.0"
},
{
"fixed": "11.5.1"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "11.5.0"
},
{
"fixed": "11.5.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v11.5.0-ee"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19493.json"
}
}
],
"modified": "2026-10-30T10:30:24.870802146Z",
"provider": "osv",
"references": [
"https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/",
"https://gitlab.com/gitlab-org/gitlab-ce/issues/53037"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-19493",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 438014,
"published_at": "2019-07-10T15:15:11.32+00:00"
}