CVE-2021-22196: GitLab

Medium severity, CVSS 5.4. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.

Affected products

• GitLab GitLab: from 13.4.0, before 13.8.7 (fixed in 13.8.7); from 13.9.0, before 13.9.5 (fixed in 13.9.5); from 13.10.0, before 13.10.1 (fixed in 13.10.1)

Published 2021-04-02. Last modified 2026-06-17.