CVE-2023-0523: GitLab

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab affecting all versions starting from 15.6 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. An XSS was possible via a malicious email address for certain instances.

Affected products

• GitLab GitLab: from 15.6.0, before 15.8.5 (fixed in 15.8.5); from 15.6.0, up to and including 15.8.5; from 15.9.0, before 15.9.4 (fixed in 15.9.4); version 15.10.0 only

Published 2023-04-05. Last modified 2026-06-17.