CVE-2025-0555: GitLab

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A Cross Site Scripting (XSS) vulnerability in GitLab-EE affecting all versions from 16.6 prior to 17.7.6, 17.8 prior to 17.8.4, and 17.9 prior to 17.9.1 allows an attacker to bypass security controls and execute arbitrary scripts in a users browser under specific conditions.

Affected products

• GitLab GitLab: from 16.6.0, before 17.7.6 (fixed in 17.7.6); from 17.8.0, before 17.8.4 (fixed in 17.8.4); version 17.9.0 only

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