CVE-2021-22185

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-24 · updated 2026-06-17
Weakness: CWE-79

Description

Insufficient input sanitization in wikis in GitLab version 13.8 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted commit to a wiki

Affected products

GitLab: from 13.8.0 before 13.8.5; from 13.9.0 before 13.9.2 — fixed in 13.8.5, 13.9.2

How to fix

Upgrade to a fixed version: GitLab 13.8.5, 13.9.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22185.json
https://gitlab.com/gitlab-org/gitlab/-/issues/299143
https://hackerone.com/reports/1087061
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22185.json
https://gitlab.com/gitlab-org/gitlab/-/issues/299143
https://hackerone.com/reports/1087061

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