An issue has been discovered in GitLab affecting all versions starting from 13.7 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. A specially crafted Kroki diagram could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.
| Software | From | Fixed in |
|---|---|---|
| gitlab / gitlab | 15.9 | 15.9.2 |
| gitlab / gitlab | 15.8 | 15.8.4 |
| gitlab / gitlab | 13.7 | 15.7.8 |