In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, Special:UserRights exposes the existence of hidden users.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade mediawiki | Sep 28, 2020 | Sep 28, 2020 |
| Mediawiki | — | Upgrade MediaWiki to the latest version | Oct 7, 2020 | Sep 27, 2020 |
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