An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. The WikibaseMediaInfo component is vulnerable to XSS via the caption fields for a given media file.
| Software | From | Fixed in |
|---|---|---|
| mediawiki / mediawiki | 1.37.0 | 1.37.1 |
| mediawiki / mediawiki | - | 1.35.5 |
| mediawiki / mediawiki | 1.36.0 | 1.36.3 |