{"id":"CVE-2023-45364","details":"An issue was discovered in includes/page/Article.php in MediaWiki 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision existence is leaked due to incorrect permissions being checked. This reveals that a given revision ID belonged to the given page title, and its timestamp, both of which are not supposed to be public information.","aliases":["BIT-mediawiki-2023-45364"],"modified":"2026-04-16T00:10:53.855848804Z","published":"2023-10-09T05:15:09.300Z","references":[{"type":"ADVISORY","url":"https://phabricator.wikimedia.org/T264765"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5520"},{"type":"REPORT","url":"https://phabricator.wikimedia.org/T264765"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wikimedia/mediawiki","events":[{"introduced":"bc542ec6d8573dfb906b468901799e0017875f1e"},{"fixed":"1e3757f7f2e2a06ccd5c4f962753b8c9abe1fed6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-45364.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}