CVE-2023-3500 Information

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.0 before 16.0.8 all versions starting from 16.1 before 16.1.3 all versions starting from 16.2 before 16.2.2. A reflected XSS was possible when creating specific PlantUML diagrams that allowed the attacker to perform arbitrary actions on behalf of victims.

Reference

https://gitlab.com/gitlab-org/gitlab/-/issues/416902 https://hackerone.com/reports/2010926