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
Metrics
CVSS Version: 3.1 |
Base Score: 6.1 MEDIUM Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N