CVE-2020-25813: MediaWiki Special:UserRights exposes the existence of hidden users
(updated )
In MediaWiki before 1.31.9 and 1.32.x through 1.34.x before 1.34.3, Special:UserRights exposes the existence of hidden users.
References
- github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25813.yaml
 - github.com/advisories/GHSA-c4rj-wrmq-52rj
 - github.com/wikimedia/mediawiki
 - lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
 - lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
 - lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
 - lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
 - meta.wikimedia.org/wiki/Special:UserRights
 - nvd.nist.gov/vuln/detail/CVE-2020-25813
 - phabricator.wikimedia.org/T232568
 
Code Behaviors & Features
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