An input validation and output encoding issue was discovered in the GitLab email notification feature which could result in a persistent XSS. This was addressed in GitLab 12.1.2, 12.0.4, and 11.11.6.
| Software | From | Fixed in |
|---|---|---|
| gitlab / gitlab | 12.0.0 | 12.0.4 |
| gitlab / gitlab | 12.1.0 | 12.1.2 |
| gitlab / gitlab | 11.11.0 | 11.11.7 |