Unrated severityOSV Advisory· Published Jan 14, 2026· Updated Feb 26, 2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
CVE-2025-11224
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to execute stored cross-site scripting through improper input validation in the Kubernetes proxy functionality.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
19v18.4.0-ee, v18.5.0-ee+ 1 more
- (no CPE)range: v18.4.0-ee, v18.5.0-ee
- (no CPE)range: >=15.10, <18.3.6; >=18.4, <18.4.4; >=18.5, <18.5.2
- osv-coords17 versionspkg:apk/chainguard/gitlab-rails-ce-18.1pkg:apk/chainguard/gitlab-rails-ce-18.2pkg:apk/chainguard/gitlab-rails-ce-assets-18.1pkg:apk/chainguard/gitlab-rails-ce-assets-18.2pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.1pkg:apk/chainguard/gitlab-rails-ce-assets-fips-18.2pkg:apk/chainguard/gitlab-rails-ce-doc-18.1pkg:apk/chainguard/gitlab-rails-ce-doc-18.2pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.1pkg:apk/chainguard/gitlab-rails-ce-doc-fips-18.2pkg:apk/chainguard/gitlab-rails-ce-fips-18.1pkg:apk/chainguard/gitlab-rails-ce-fips-18.2pkg:apk/chainguard/gitlab-workhorse-ce-18.1pkg:apk/chainguard/gitlab-workhorse-ce-18.2pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.1pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.2pkg:bitnami/gitlab
< 18.1.6-r3+ 16 more
- (no CPE)range: < 18.1.6-r3
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.1.6-r3
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.1.6-r4
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.1.6-r3
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.1.6-r4
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.1.6-r4
- (no CPE)range: < 18.2.8-r4
- (no CPE)range: < 18.1.6-r3
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: < 18.1.6-r4
- (no CPE)range: < 18.2.8-r3
- (no CPE)range: >= 15.10.0, < 18.3.6
Patches
Vulnerability mechanics
References
3- hackerone.com/reports/3277291mitretechnical-descriptionexploitpermissions-required
- gitlab.com/gitlab-org/gitlab/-/issues/573223mitreissue-trackingpermissions-required
- about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/mitre
News mentions
1- GitLab Patch Release: 18.5.2, 18.4.4, 18.3.6GitLab Security Releases · Nov 12, 2025