Medium (5.4) in gitlab gitlab. EPSS 96% chance of exploitation in the next 30 days.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A specially crafted merge request could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
96% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)