{"id":"GHSA-7hwr-f745-5rwq","aliases":["CVE-2019-16738"],"title":"MediaWiki information disclosure","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"MODERATE","description":"In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.","severity":"medium","score":5.3,"published":"2022-05-24T16:56:57.000Z","modified":"2024-05-19T02:24:42.543Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"mediawiki/core","sources":[{"name":"OSV · GHSA-7hwr-f745-5rwq","url":"https://osv.dev/vulnerability/GHSA-7hwr-f745-5rwq"}],"ranges":[{"events":[{"introduced":"1.31.0"},{"fixed":"1.31.4"}],"type":"ECOSYSTEM"}],"versions":["1.31.0","1.31.1","1.31.2","1.31.3"],"fixed":["1.31.4"]},{"ecosystem":"Packagist","name":"mediawiki/core","sources":[{"name":"OSV · GHSA-7hwr-f745-5rwq","url":"https://osv.dev/vulnerability/GHSA-7hwr-f745-5rwq"}],"ranges":[{"events":[{"introduced":"1.32.0"},{"fixed":"1.32.4"}],"type":"ECOSYSTEM"}],"versions":["1.32.0","1.32.1","1.32.2","1.32.3"],"fixed":["1.32.4"]},{"ecosystem":"Packagist","name":"mediawiki/core","sources":[{"name":"OSV · GHSA-7hwr-f745-5rwq","url":"https://osv.dev/vulnerability/GHSA-7hwr-f745-5rwq"}],"ranges":[{"events":[{"introduced":"1.33.0"},{"fixed":"1.33.1"}],"type":"ECOSYSTEM"}],"versions":["1.33.0"],"fixed":["1.33.1"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2019-16738","https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-16738.yaml","https://github.com/wikimedia/mediawiki","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OMG3BMUHGWTAPYTK2NXM6CXF6FYLOUO","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QBAOLXETM5BOYQG6OQVHGB2LNLZUXVN6","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7OMG3BMUHGWTAPYTK2NXM6CXF6FYLOUO","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QBAOLXETM5BOYQG6OQVHGB2LNLZUXVN6","https://phabricator.wikimedia.org/T230402","https://seclists.org/bugtraq/2019/Oct/32","https://www.debian.org/security/2019/dsa-4545"],"sources":[{"name":"OSV","id":"GHSA-7hwr-f745-5rwq","modified":"2024-05-19T02:24:42.543460Z","url":"https://osv.dev/vulnerability/GHSA-7hwr-f745-5rwq"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T22:25:35.093Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}