CVE-2020-13339

Severity: medium (CVSS 6.5 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: 2020-10-08 · updated 2026-06-17
Weakness: CWE-79

Description

An issue has been discovered in GitLab affecting all versions before 13.2.10, 13.3.7 and 13.4.2: XSS in SVG File Preview. Overall impact is limited due to the current user only being impacted.

Affected products

GitLab: before 13.2.10; from 13.3.0 before 13.3.7; from 13.4.0 before 13.4.2 — fixed in 13.2.10, 13.3.7, 13.4.2

How to fix

Upgrade to a fixed version: GitLab 13.2.10, 13.3.7, 13.4.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13339.json
https://gitlab.com/gitlab-org/gitlab/-/issues/118477
https://hackerone.com/reports/758653
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13339.json
https://gitlab.com/gitlab-org/gitlab/-/issues/118477
https://hackerone.com/reports/758653

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