| Name | CVE-2020-25813 | 
| 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. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DLA-2379-1, DSA-4767-1 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| mediawiki (PTS) | bullseye | 1:1.35.13-1+deb11u2 | fixed | 
 | bullseye (security) | 1:1.35.13-1+deb11u5 | fixed | 
 | bookworm, bookworm (security) | 1:1.39.13-1~deb12u1 | fixed | 
 | trixie | 1:1.43.3+dfsg-1 | fixed | 
 | forky, sid | 1:1.43.5+dfsg-1 | fixed | 
The information below is based on the following data on fixed versions.
Notes
https://lists.wikimedia.org/pipermail/wikitech-l/2020-September/093888.html
https://phabricator.wikimedia.org/T232568