CVE-2021-22225: GitLab

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Insufficient input sanitization in markdown in GitLab version 13.11 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

Affected products

• GitLab GitLab: from 13.11.3, before 13.11.6 (fixed in 13.11.6); from 13.12.0, before 13.12.6 (fixed in 13.12.6); from 14.0.0, before 14.0.2 (fixed in 14.0.2)

Published 2021-07-07. Last modified 2026-06-17.