CVE-2025-2254: GitLab

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.9 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. Improper output encoding in the snipper viewer functionality lead to Cross-Site scripting attacks.

Affected products

• GitLab GitLab: from 17.9.0, before 17.10.8 (fixed in 17.10.8); from 17.11.0, before 17.11.4 (fixed in 17.11.4); from 18.0.0, before 18.0.2 (fixed in 18.0.2)

Published 2025-06-12. Last modified 2026-06-17.