GHSA-c4rj-wrmq-52rjmedium5.3
MediaWiki Special:UserRights exposes the existence of hidden users
Impact
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.
Source excerpt · OSVAffected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
mediawiki/core Packagist
| Affected range | Recorded fix |
|---|---|
| From 1.31.0 before 1.31.9Ecosystem versions | 1.31.9 |
| From 1.32.0 before 1.34.3Ecosystem versions | 1.34.3 |
Version evidence: OSV · GHSA-c4rj-wrmq-52rj
View original version evidence (27 explicit versions)
Original source description
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
- Security advisory nvd.nist.gov/vuln/detail/CVE-2020-25813
- Security advisory github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25813.yaml
- Source reference github.com/wikimedia/mediawiki
- Source reference lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- Source reference lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- Source reference lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
- Source reference lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
- Source reference meta.wikimedia.org/wiki/Special:UserRights
- Source reference phabricator.wikimedia.org/T232568