{"id":"CVE-2020-25813","details":"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.","aliases":["BIT-mediawiki-2020-25813","GHSA-c4rj-wrmq-52rj"],"modified":"2026-05-18T05:51:03.690234186Z","published":"2020-09-27T21:15:12.627Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"33"}],"vendor_product":"fedoraproject:fedora","source":"CPE_FIELD","cpes":["cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/"},{"type":"ADVISORY","url":"https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html"},{"type":"ADVISORY","url":"https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html"},{"type":"ADVISORY","url":"https://meta.wikimedia.org/wiki/Special:UserRights"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wikimedia/mediawiki","events":[{"introduced":"0"},{"fixed":"0fa7240e6a81be24dc0eb3c250ec2a25a2099faa"},{"introduced":"0fbb878ef366477535a709b0c2564bdcf4b176d1"},{"fixed":"e34e7f20b51ed7514ba6de8d8a390363ade2237f"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.31.10"},{"introduced":"1.32.0"},{"fixed":"1.34.4"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*"}}],"versions":["1.31.8","1.34.3","1.31.9","1.34.2","1.34.1","1.31.7","1.34.0","1.31.6","1.34.0-rc.1","1.31.5","1.34.0-rc.0","1.31.4","1.31.3","1.31.2","1.31.1","1.31.0","1.31.0-rc.2","1.31.0-rc.1","1.31.0-rc.0","1.6.0","1.5.0beta4","1.5.0beta3","1.5.0beta2","1.5.0beta1","1.5.0alpha2","1.5.0alpha1","1.3.0beta1","1.1.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25813.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}