CVE-2023-1836: GitLab

Medium severity, CVSS 5.4. EPSS: 0.8% chance of exploitation in the next 30 days.

A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5.1 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. When viewing an XML file in a repository in "raw" mode, it can be made to render as HTML if viewed under specific circumstances

Affected products

• GitLab GitLab: from 5.1, before 15.9.6 (fixed in 15.9.6); from 15.10, before 15.10.5 (fixed in 15.10.5); from 15.11, before 15.11.1 (fixed in 15.11.1)

Published 2023-05-03. Last modified 2026-06-17.