CVE-2019-15739: GitLab

Medium severity, CVSS 6.1. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in GitLab Community and Enterprise Edition 8.1 through 12.2.1. Certain areas displaying Markdown were not properly sanitizing some XSS payloads.

Affected products

• GitLab GitLab: from 8.1.0, before 12.0.8 (fixed in 12.0.8); from 12.1.0, before 12.1.8 (fixed in 12.1.8); from 12.2.0, before 12.2.3 (fixed in 12.2.3)

Published 2019-09-16. Last modified 2026-06-17.