CVE-2018-9243: GitLab

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

GitLab Community and Enterprise Editions version 8.4 up to 10.4 are vulnerable to XSS because a lack of input validation in the merge request component leads to cross site scripting (specifically, filenames in changes tabs of merge requests). This is fixed in 10.6.3, 10.5.7, and 10.4.7.

Affected products

• GitLab GitLab: from 8.4, before 10.4.7 (fixed in 10.4.7); from 10.5.0, before 10.5.7 (fixed in 10.5.7); from 10.6.0, before 10.6.3 (fixed in 10.6.3)

Published 2018-04-05. Last modified 2026-06-17.