CVE-2025-11224

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

State: Published
Severity: 7.7 High
Published: Jan 14, 2026
Updated: Feb 26, 2026
Reserved: Oct 1, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.7 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N	GitLab

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
GitLabGitLab	15.10 to before 18.3.6Affected 18.4 to before 18.4.4Affected 18.5 to before 18.5.2Affected

References

https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/
GitLab Issue #573223issue-trackingpermissions-required
HackerOne Bug Bounty Report #3277291technical-descriptionexploitpermissions-required

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.