CVE-2018-17536

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-15 · updated 2026-06-17
Weakness: CWE-79

Description

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is stored XSS on the merge request page via project import.

Affected products

GitLab: before 11.1.7; from 11.2.0 before 11.2.4; 11.3.0 — fixed in 11.1.7, 11.2.4

How to fix

Upgrade to a fixed version: GitLab 11.1.7, 11.2.4. Check the vendor advisory for mitigations.

References

https://about.gitlab.com/blog/categories/releases/
https://about.gitlab.com/releases/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released/
https://about.gitlab.com/blog/categories/releases/
https://about.gitlab.com/releases/2018/10/01/security-release-gitlab-11-dot-3-dot-1-released/

Get alerted when CVE-2018-17536 or the next vulnerability affects your stack