{"id":"CVE-2019-18987","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-18987","generatedAt":"2026-10-27T22:23:59.696Z","title":"Once a specific abuse filter has (accidentally or otherwise) been made public, its previous versions can be exposed, thus potentially disclosing private or sensitive information within the filter's definition.","description":"An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki. Once a specific abuse filter has (accidentally or otherwise) been made public, its previous versions can be exposed, thus potentially disclosing private or sensitive information within the filter's definition.","published":"2019-11-15T06:15:10.000Z","lastModified":"2026-06-17T02:25:43.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-200"],"affected":["mediawiki/abusefilter"],"epss":{"score":0.01114,"percentile":0.65794,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.11%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://gerrit.wikimedia.org/r/q/Ic12790bd33982473f77551bde9599ed083a3e1f1","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://phabricator.wikimedia.org/T237887","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.mediawiki.org/wiki/Extension:AbuseFilter","tags":["Product","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://gerrit.wikimedia.org/r/q/Ic12790bd33982473f77551bde9599ed083a3e1f1","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://phabricator.wikimedia.org/T237887","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mediawiki.org/wiki/Extension:AbuseFilter","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-18987","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}