CVE-2022-3265

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 87.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-09 · updated 2026-06-17
Weakness: CWE-79

Description

A cross-site scripting issue has been discovered in GitLab CE/EE affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2. It was possible to exploit a vulnerability in setting the labels colour feature which could lead to a stored XSS that allowed attackers to perform arbitrary actions on behalf of victims at client side.

Affected products

GitLab: before 15.3.5; from 15.4.0 before 15.4.4; from 15.5.0 before 15.5.2 — fixed in 15.3.5, 15.4.4, 15.5.2

How to fix

Upgrade to a fixed version: GitLab 15.3.5, 15.4.4, 15.5.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3265.json
https://gitlab.com/gitlab-org/gitlab/-/issues/374976
https://hackerone.com/reports/1693150
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3265.json
https://gitlab.com/gitlab-org/gitlab/-/issues/374976
https://hackerone.com/reports/1693150

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