{"id":"BIT-mediawiki-2021-31547","details":"An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.","aliases":["CVE-2021-31547"],"modified":"2025-04-03T14:40:37.652Z","published":"2024-03-06T11:12:21.489Z","database_specific":{"cpes":["cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d"},{"type":"WEB","url":"https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75"},{"type":"WEB","url":"https://phabricator.wikimedia.org/T223654"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31547"}],"affected":[{"package":{"name":"mediawiki","ecosystem":"Bitnami","purl":"pkg:bitnami/mediawiki"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.35.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/mediawiki/BIT-mediawiki-2021-31547.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}],"schema_version":"1.7.3"}