Medium
Security advisory
An issue was discovered in GitLab Community Edition and Enterprise Edition before 10.7.6, 10.8.x before 10.8.5, and 11.x before 11.0.1. The wiki contains a persistent XSS issue due to a lack of output encoding affecting a specific markdown feature.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-12606
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:59 UTC · Revision 1
Source evidence
An issue was discovered in GitLab Community Edition and Enterprise Edition before 10.7.6, 10.8.x before 10.8.5, and 11.x before 11.0.1. The wiki contains a persistent XSS issue due to a lack of output encoding affecting a specific markdown feature.
osv:CVE-2018-12606
Complete source record
{
"id": "89ebe141a969c40529bc6fe9eda0884f36099a5146501be45268961a8cced90f",
"url": "https://osv.dev/vulnerability/CVE-2018-12606",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-12606",
"summary": "An issue was discovered in GitLab Community Edition and Enterprise Edition before 10.7.6, 10.8.x before 10.8.5, and 11.x before 11.0.1. The wiki contains a persistent XSS issue due to a lack of output encoding affecting a specific markdown feature.",
"evidence": "osv:CVE-2018-12606",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-12606",
"aliases": [
"CVE-2018-12606"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/gitlab-org/gitlab",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "3fffa0f61618187c6cd7d710fb3d5befca5ecbfc"
},
{
"introduced": "342f33beb2ce090cfabfd0a5e7327b78d04588bb"
},
{
"fixed": "8f03e3e90b9c06e501a97987a79ea70c4b6b28b7"
},
{
"introduced": "c6f72ac9a88521257991aa9a0cc6d558126f5bb9"
},
{
"fixed": "b0260b150324ee878b652adb8858798201178630"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "10.7.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "10.7.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "10.8.0"
},
{
"fixed": "10.8.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "10.8.0"
},
{
"fixed": "10.8.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.0.1"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.0.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v11.0.0-ee",
"v11.0.0-rc14-ee",
"v10.7.5-ee",
"v10.8.4-ee",
"v11.0.0-rc13-ee",
"v11.0.0-rc12-ee",
"v11.0.0-rc11-ee",
"v11.0.0-rc10-ee",
"v11.0.0-rc9-ee",
"v11.0.0-rc8-ee",
"v11.0.0-rc7-ee",
"v11.0.0-rc6-ee",
"v11.0.0-rc5-ee",
"v11.0.0-rc4-ee",
"v11.0.0-rc3-ee",
"v11.0.0-rc2-ee",
"v11.0.0-rc1-ee",
"v10.8.3-ee",
"v10.8.2-ee",
"v10.8.1-ee",
"v10.7.4-ee",
"v10.8.0-ee",
"v10.8.0-rc13-ee",
"v10.7.3-ee",
"v10.8.0-rc12-ee",
"v10.8.0-rc11-ee",
"v10.8.0-rc10-ee",
"v10.8.0-rc9-ee",
"v10.8.0-rc8-ee",
"v10.8.0-rc7-ee",
"v10.8.0-rc6-ee",
"v10.8.0-rc5-ee",
"v10.8.0-rc4-ee",
"v10.8.0-rc3-ee",
"v10.8.0-rc2-ee",
"v10.8.0-rc1-ee",
"v10.7.2-ee",
"v10.7.1-ee",
"v10.7.0-ee",
"v10.7.0-rc7-ee",
"v10.7.0-rc6-ee",
"v10.7.0-rc5-ee",
"v10.7.0-rc4-ee",
"v10.7.0-rc3-ee",
"v10.7.0-rc2-ee",
"v10.7.0-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",
"v6.0.0-ee.rc1",
"v6.0.0-ee.beta",
"v5.2.0",
"v5.1.0",
"v5.0.0",
"v4.0.0",
"v4.0.0rc2",
"v4.0.0rc1",
"v3.1.0",
"v3.0.3",
"v3.0.2",
"v3.0.1",
"v3.0.0",
"v2.9.1",
"v2.9.0",
"v2.8.2",
"v2.8.1",
"v2.8.0",
"v2.8.0pre",
"v2.7.0",
"v2.7.0pre",
"v2.6.3",
"v2.6.2",
"v2.6.1",
"v2.6.0",
"v2.6.0pre",
"v2.5.0",
"v2.4.1",
"v2.4.0",
"v2.4.0pre",
"v2.3.1",
"v2.3.0",
"v2.3.0pre",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.2.0pre"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12606.json"
}
}
],
"modified": "2026-10-30T10:30:29.523207564Z",
"provider": "osv",
"references": [
"https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released/",
"https://gitlab.com/gitlab-org/gitlab-ce/issues/46957"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-12606",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 433444,
"published_at": "2018-08-03T18:29:00.313+00:00"
}