CVE-2020-25813
MEDIUM5.3EPSS 0.37%MediaWiki Special:UserRights exposes the existence of hidden users
Published: 5/24/2022Modified: 4/28/2026
Description
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.
Affected packages (4)
- Bitnami/mediawikifrom 0, < 1.31.10, >= 1.32.0, < 1.34.4
- Debian/mediawikifrom 0, < 1:1.35.0-1
- Debian/mediawikifrom 0, < 1:1.27.7-1~deb9u4
- Packagist/mediawiki/core>= 1.31.0, < 1.31.9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
References (11)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-25813
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-25813
- PATCHhttps://github.com/wikimedia/mediawiki
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25813.yaml
- WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6
- WEBhttps://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
- WEBhttps://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
- WEBhttps://meta.wikimedia.org/wiki/Special:UserRights
- WEBhttps://phabricator.wikimedia.org/T232568