{"id":"BIT-mediawiki-2023-45367","details":"An issue was discovered in the CheckUser extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. A user can use a rest.php/checkuser/v0/useragent-clienthints/revision/ URL to store an arbitrary number of rows in cu_useragent_clienthints, leading to a denial of service.","aliases":["CVE-2023-45367"],"modified":"2025-04-03T14:40:37.652Z","published":"2024-03-06T10:58:28.391Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*","cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:*"]},"references":[{"type":"WEB","url":"https://phabricator.wikimedia.org/T344923"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45367"}],"affected":[{"package":{"name":"mediawiki","ecosystem":"Bitnami","purl":"pkg:bitnami/mediawiki"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.35.12"},{"introduced":"1.36.0"},{"fixed":"1.39.5"},{"introduced":"1.40.0"},{"fixed":"1.40.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mediawiki/BIT-mediawiki-2023-45367.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.7.3"}