CVE-2025-2255: GitLab

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue has been discovered in Gitlab EE/CE for AppSec affecting all versions from 13.5.0 before 17.8.6, 17.9 before 17.9.3, and 17.10 before 17.10.1. Certain error messages could allow Cross-Site Scripting attacks (XSS). for AppSec.

Affected products

• GitLab GitLab: from 13.5.0, before 17.8.6 (fixed in 17.8.6); from 17.9.0, before 17.9.3 (fixed in 17.9.3); version 17.10.0 only

Published 2025-03-27. Last modified 2026-06-17.