An input validation and output encoding issue was discovered in the GitLab CE/EE wiki pages feature which could result in a persistent XSS. This vulnerability was addressed in 12.1.2, 12.0.4, and 11.11.6.
| Software | From | Fixed in |
|---|---|---|
| gitlab / gitlab | 11.11.2 | 11.11.7 |
| gitlab / gitlab | 12.0.0 | 12.0.4 |
| gitlab / gitlab | 12.1.0 | 12.1.2 |