CVE-2020-13338

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-10-02 · updated 2026-06-17
Weakness: CWE-79

Description

An issue has been discovered in GitLab affecting versions prior to 12.10.13, 13.0.8, 13.1.2. A stored cross-site scripting vulnerability was discovered when editing references.

Affected products

GitLab: from 8.10.0 before 12.10.13; from 13.0.0 before 13.0.8; from 13.1.0 before 13.1.2 — fixed in 12.10.13, 13.0.8, 13.1.2

How to fix

Upgrade to a fixed version: GitLab 12.10.13, 13.0.8, 13.1.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13338.json
https://gitlab.com/gitlab-org/gitlab/-/issues/213273
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13338.json
https://gitlab.com/gitlab-org/gitlab/-/issues/213273

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