CVE-2018-20490: GitLab

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

An issue was discovered in GitLab Community and Enterprise Edition 11.2.x through 11.4.x before 11.4.13, 11.5.x before 11.5.6, and 11.6.x before 11.6.1. It allows XSS.

Affected products

• GitLab GitLab: from 11.2.0, before 11.4.13 (fixed in 11.4.13); from 11.5.0, before 11.5.6 (fixed in 11.5.6); from 11.6.0, before 11.6.1 (fixed in 11.6.1)

Published 2019-12-30. Last modified 2026-06-17.