{"id":"CVE-2019-18987","aliases":["EUVD-2019-8641","GHSA-2qx5-c394-4qm8"],"status":"published","title":"An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki. Once a specific...","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01114,"percentile":0.66242,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2019-11-15T05:08:00Z","modified":"2026-10-24T10:30:52Z","products":[{"vendor":"mediawiki","product":"abusefilter"}],"references":[{"url":"https://phabricator.wikimedia.org/T237887","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://gerrit.wikimedia.org/r/q/Ic12790bd33982473f77551bde9599ed083a3e1f1","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://www.mediawiki.org/wiki/Extension:AbuseFilter","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18987"},{"url":"https://github.com/advisories/GHSA-2qx5-c394-4qm8"}],"sources":{"cve":[{"id":"CVE-2019-18987","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.","status":"published","published":"2019-11-15T05:08:00Z","modified":"2024-08-05T02:02:39.853Z","updated_at":"2026-11-02T14:32:23.803059Z"}],"euvd":[{"id":"EUVD-2019-8641","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.","status":"published","published":"2019-11-15T05:08:00Z","modified":"2024-08-05T02:02:39Z","updated_at":"2026-11-03T02:40:26.778341Z"}],"ghsa":[{"id":"GHSA-2qx5-c394-4qm8","title":"An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki. Once a specific...","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.","status":"published","published":"2022-05-24T17:01:23Z","modified":"2023-01-28T05:07:57Z","updated_at":"2026-11-02T14:44:35.535691Z"}],"nvd":[{"id":"CVE-2019-18987","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.","status":"published","published":"2019-11-15T06:15:10.333Z","modified":"2026-06-17T02:25:42.597Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:05:37.024431Z"}],"osv":[{"id":"CVE-2019-18987","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.","status":"published","published":"2019-11-15T06:15:10.333Z","modified":"2026-10-24T10:30:52.475089454Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:11.673963Z"}]}}