An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.
| Software | From | Fixed in |
|---|---|---|
| gitlab / gitlab | 13.10.0 | 13.10.1 |
| gitlab / gitlab | 13.9.0 | 13.9.5 |
| gitlab / gitlab | 13.4.0 | 13.8.7 |