Description
Client-Side code injection through Mermaid markup in GitLab CE/EE 12.9 and later through 13.0.1 allows a specially crafted Mermaid payload to PUT requests on behalf of other users via clicking on a link
References (3)
Core 3
Core References
Broken Link x_refsource_misc
https://gitlab.com/gitlab-org/gitlab/-/issues/211949
Permissions Required x_refsource_misc
https://hackerone.com/reports/824689
Vendor Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13262.json
Scores
CVSS v3
6.1
EPSS
0.0021
EPSS Percentile
43.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-74
Status
published
Products (2)
gitlab/gitlab
13.0.0 (2 CPE variants)
gitlab/gitlab
12.9.0 - 12.9.8 (2 CPE variants)
Published
Jun 19, 2020
Tracked Since
Feb 18, 2026