Total vulnerabilities in the database
An issue was discovered in the CheckUser extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. A user can use a rest.php/checkuser/v0/useragent-clienthints/revision/ URL to store an arbitrary number of rows in cu_useragent_clienthints, leading to a denial of service.
| Software | From | Fixed in |
|---|---|---|
| mediawiki / mediawiki | 1.40.0 | 1.40.0.x |
| mediawiki / mediawiki | - | 1.35.12 |
| mediawiki / mediawiki | 1.36.0 | 1.39.5 |