Medium
Security advisory
An issue was discovered in GitLab Community and Enterprise Edition before 11.8.9, 11.9.x before 11.9.10, and 11.10.x before 11.10.2. It has Improper Encoding or Escaping of Output. The branch name on new merge request notification emails isn't escaped, which could potentially lead to XSS issues.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-11547
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:15 UTC · Revision 1
Source evidence
An issue was discovered in GitLab Community and Enterprise Edition before 11.8.9, 11.9.x before 11.9.10, and 11.10.x before 11.10.2. It has Improper Encoding or Escaping of Output. The branch name on new merge request notification emails isn't escaped, which could potentially lead to XSS issues.
osv:CVE-2019-11547
Complete source record
{
"id": "e6b2e9ef8f720d524bcbd4aa22e9ecebb707500c69a8b9fcf33a16738d591be8",
"url": "https://osv.dev/vulnerability/CVE-2019-11547",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-11547",
"summary": "An issue was discovered in GitLab Community and Enterprise Edition before 11.8.9, 11.9.x before 11.9.10, and 11.10.x before 11.10.2. It has Improper Encoding or Escaping of Output. The branch name on new merge request notification emails isn't escaped, which could potentially lead to XSS issues.",
"evidence": "osv:CVE-2019-11547",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-11547",
"aliases": [
"CVE-2019-11547"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/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": "ec21bf6cf64fd59d7f69746c35de8a716b888a69"
},
{
"fixed": "a00a46bf7a7b78efbcd6a82b40354145e6becbbb"
},
{
"introduced": "2f3536bdda88ae962d4f67ced68af6efd82254f1"
},
{
"fixed": "b3dc93d5825685a67c70cf3c10a64f713dc5f54b"
},
{
"introduced": "dfa95630be4342688ff24c0fa0d283e427a4a996"
},
{
"fixed": "1aafae9879cca6d2c90c17bedca3bfcd3e952ce4"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "6.0.0"
},
{
"fixed": "11.8.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "6.0.0"
},
{
"fixed": "11.8.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "11.9.0"
},
{
"fixed": "11.9.10"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "11.9.0"
},
{
"fixed": "11.9.10"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "11.10.0"
},
{
"fixed": "11.10.2"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "11.10.0"
},
{
"fixed": "11.10.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v11.8.8-ee",
"v11.10.1-ee",
"v11.9.9-ee",
"v11.10.0-ee",
"v11.8.7-ee",
"v11.9.8-ee",
"v11.9.7-ee",
"v11.9.6-ee",
"v11.8.6-ee",
"v11.9.5-ee",
"v11.9.4-ee",
"v11.9.1-ee",
"v11.9.0-ee",
"v11.8.2-ee",
"v11.8.1-ee",
"v11.8.0-ee",
"v11.8.0-rc9-ee",
"v11.8.0-rc8-ee",
"v11.8.0-rc7-ee",
"v11.8.0-rc6-ee",
"v11.8.0-rc5-ee",
"v11.8.0-rc4-ee",
"v11.8.0-rc2-ee",
"v11.8.0-rc3-ee",
"v11.8.0-rc1-ee",
"v7.3.0-ee",
"v7.3.0.rc1-ee",
"v7.2.0.rc5-ee",
"v7.2.0.rc4-ee",
"v7.2.0.rc3-ee",
"v7.2.0.rc2-ee",
"v7.2.0.rc1-ee",
"v7.1.0-ee",
"v7.1.0.rc1-ee",
"v7.0.0-ee",
"v6.8.0-ee",
"v6.7.0-ee",
"v6.7.0.rc1-ee",
"v6.6.0-ee",
"v6.5.0-ee",
"v6.4.0-ee",
"v6.3.1-ee",
"v6.3.0-ee",
"v6.1.0-ee",
"v6.0.0-ee"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11547.json"
}
}
],
"modified": "2026-10-30T10:30:25.331185658Z",
"provider": "osv",
"references": [
"https://about.gitlab.com/2019/04/29/security-release-gitlab-11-dot-10-dot-2-released/",
"https://gitlab.com/gitlab-org/gitlab-ee/issues/11515"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-11547",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 434206,
"published_at": "2019-09-09T19:15:10.847+00:00"
}