🔐 CVE Alert

CVE-2025-11224

HIGH 7.7

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

CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor gitlab
Product gitlab
Ecosystems
Industries
Technology
Published Jan 14, 2026
Last Updated Feb 26, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Affected Versions

GitLab / GitLab
15.10 < 18.3.6 18.4 < 18.4.4 18.5 < 18.5.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗
about.gitlab.com: https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/ gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/issues/573223 hackerone.com: https://hackerone.com/reports/3277291

Credits

Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program