{"id":"CVE-2020-25869","aliases":["BIT-mediawiki-2020-25869","EUVD-2020-18501","GHSA-7369-45qw-88c2","MGASA-2020-0381"],"status":"published","title":"An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1...","description":"An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01405,"percentile":0.72778,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-755","CWE-863"],"published":"2020-09-27T20:40:25Z","modified":"2026-10-24T10:30:48Z","fixes":[{"ecosystem":"Bitnami","package":"mediawiki","fixed_in":["1.31.10","1.34.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mediawiki","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.31.10"},{"introduced":"1.32.0"},{"fixed":"1.34.4"}]}]},{"source":"osv","ecosystem":"Mageia:7","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.31.10-1.mga7"}]}],"bundled":7}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://phabricator.wikimedia.org/T260485","tags":["x_refsource_MISC","x_transferred","Permissions Required","Vendor Advisory","web","report"]},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Vendor Advisory","web","advisory"]},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25869","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/"},{"url":"https://github.com/advisories/GHSA-7369-45qw-88c2"},{"url":"https://advisories.mageia.org/MGASA-2020-0381.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=27331","tags":["report"]},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-September/000260.html","tags":["web"]},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-September/000262.html","tags":["web"]},{"url":"https://www.debian.org/security/2020/dsa-4767","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-25869","description":"An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.","status":"published","published":"2020-09-27T20:40:25Z","modified":"2024-08-04T15:49:06.057Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-18501","description":"An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.","status":"published","published":"2020-09-27T20:40:25Z","modified":"2024-08-04T15:49:06Z","updated_at":"2026-11-03T03:07:16.308974Z"}],"ghsa":[{"id":"GHSA-7369-45qw-88c2","title":"An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1...","description":"An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.","status":"published","published":"2022-05-24T17:29:43Z","modified":"2023-01-29T05:04:14Z","cwes":["CWE-755","CWE-863"],"updated_at":"2026-11-02T14:45:30.341086Z"}],"nvd":[{"id":"CVE-2020-25869","description":"An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.","status":"published","published":"2020-09-27T21:15:12.937Z","modified":"2026-06-17T03:07:25.18Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","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-863"],"updated_at":"2026-11-02T14:06:17.70091Z"}],"osv":[{"id":"CVE-2020-25869","description":"An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.","status":"published","published":"2020-09-27T21:15:12.937Z","modified":"2026-10-24T10:30:48.807440559Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"BIT-mediawiki-2020-25869","description":"An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.","status":"published","published":"2024-03-06T11:13:55.021Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"},{"id":"MGASA-2020-0381","title":"Updated mediawiki packages fix security vulnerability","description":"Multiple security issues were discovered in MediaWiki: SpecialUserRights could\nleak whether a user existed or not, multiple code paths lacked HTML\nsanitisation allowing for cross-site scripting and TOTP validation applied\ninsufficient rate limiting against brute force attempts (CVE-2020-25812,\nCVE-2020-25813, CVE-2020-25814, CVE-2020-25815, CVE-2020-25827,\nCVE-2020-25828).\n\nPossible issues with actors not being loaded from the correct database or wiki\n(CVE-2020-25869).\n","status":"published","published":"2020-09-30T10:01:40Z","modified":"2026-04-16T04:40:52.804701258Z","updated_at":"2026-11-02T15:49:41.509337Z"}]}}