CVE-2021-22241

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-05 · updated 2026-06-17
Weakness: CWE-79

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.

Affected products

GitLab: from 14.0.0 before 14.0.7; from 14.1.0 before 14.1.2 — fixed in 14.0.7, 14.1.2

How to fix

Upgrade to a fixed version: GitLab 14.0.7, 14.1.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22241.json
https://gitlab.com/gitlab-org/gitlab/-/issues/336460
https://hackerone.com/reports/1256777
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22241.json
https://gitlab.com/gitlab-org/gitlab/-/issues/336460
https://hackerone.com/reports/1256777

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