{"id":"CVE-2020-25815","aliases":["BIT-mediawiki-2020-25815","DEBIAN-CVE-2020-25815","EUVD-2022-1972","GHSA-2f58-vf6g-6p8x","MGASA-2020-0381","UBUNTU-CVE-2020-25815"],"status":"published","title":"MediaWiki Cross-site Scripting (XSS) vulnerability","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01104,"percentile":0.65994,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2020-09-27T20:27:14Z","modified":"2026-10-26T12:00:51Z","fixes":[{"ecosystem":"Packagist","package":"mediawiki/core","fixed_in":["1.34.3","1.35.0"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"mediawiki","fixed_in":["1.34.4"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"mediawiki","fixed_in":["1:1.35.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mediawiki","fixed_in":["1:1.35.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mediawiki","fixed_in":["1:1.35.0-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.32.0"},{"fixed":"1.34.3"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.35.0-rc.0"},{"fixed":"1.35.0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"mediawiki","ranges":[{"type":"SEMVER","events":[{"introduced":"1.32.0"},{"fixed":"1.34.4"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.35.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.35.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.35.0-1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.32.0"},{"fixed":"1.34.3"}]}],"versions":["1.32.0","1.32.1","1.32.2","1.32.3","1.32.4","1.32.5","1.32.6","1.33.0","1.33.0-rc.0","1.33.1","1.33.2","1.33.3","1.33.4","1.34.0","1.34.0-rc.0","1.34.0-rc.1","1.34.1","1.34.2"]},{"source":"osv","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.35.0-rc.0"},{"fixed":"1.35.0"}]}],"versions":["1.35.0-rc.0","1.35.0-rc.1","1.35.0-rc.2","1.35.0-rc.3"]},{"source":"osv","ecosystem":"Mageia:7","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.31.10-1.mga7"}]}],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.27.3-1","1:1.27.4-1","1:1.27.4-2","1:1.27.4-3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.31.2-1ubuntu1","1:1.31.5-1","1:1.31.5-1ubuntu1","1:1.31.5-2","1:1.31.5-3","1:1.31.5-3ubuntu1","1:1.31.6-1","1:1.31.7-1","1:1.31.7-1ubuntu0.1~esm1"]}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://gerrit.wikimedia.org/g/mediawiki/core/+/ec76e14be658187544f07c1a249a047e1a75eaf8/includes/logging/LogEventsList.php#214","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","web","fix","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","report"]},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","web","advisory","report"]},{"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-2020-25815","tags":["web","advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25815.yaml","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6","tags":["web"]},{"url":"https://phabricator.wikimedia.org/T256171","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-2f58-vf6g-6p8x"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-25815","tags":["advisory"]},{"url":"https://github.com/wikimedia/mediawiki","tags":["package"]},{"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"]},{"url":"https://ubuntu.com/security/CVE-2020-25815","tags":["report"]},{"url":"https://lists.wikimedia.org/pipermail/wikitech-l/2020-September/093888.html","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-25815","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-25815","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","status":"published","published":"2020-09-27T20:27:14Z","modified":"2024-08-04T15:40:36.957Z","updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2022-1972","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","status":"published","published":"2020-09-27T20:27:14Z","modified":"2024-08-04T15:40:36Z","updated_at":"2026-11-03T03:07:16.74035Z"}],"ghsa":[{"id":"GHSA-2f58-vf6g-6p8x","title":"MediaWiki Cross-site Scripting (XSS) vulnerability","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","status":"published","published":"2022-05-24T17:29:42Z","modified":"2024-05-17T21:56:30Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:49.987036Z"}],"nvd":[{"id":"CVE-2020-25815","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","status":"published","published":"2020-09-27T21:15:12.75Z","modified":"2026-06-17T03:07:20.29Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:17.70091Z"}],"osv":[{"id":"CVE-2020-25815","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","status":"published","published":"2020-09-27T21:15:12.75Z","modified":"2026-10-24T10:30:29.495082903Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-25815","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","status":"published","published":"2020-09-27T21:15:12.75Z","modified":"2026-10-26T12:00:51.002366696Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"GHSA-2f58-vf6g-6p8x","title":"MediaWiki Cross-site Scripting (XSS) vulnerability","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","status":"published","published":"2022-05-24T17:29:42Z","modified":"2024-05-19T02:24:29.940316Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:34.338541Z"},{"id":"UBUNTU-CVE-2020-25815","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","status":"published","published":"2020-09-27T21:15:00Z","modified":"2026-05-27T10:17:05.324936148Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:23.905183Z"},{"id":"BIT-mediawiki-2020-25815","description":"An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().","status":"published","published":"2024-03-06T11:13:59.741Z","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"}]}}