{"id":"CVE-2025-6590","aliases":["DEBIAN-CVE-2025-6590","DLA-4249-1","DSA-5957-1","EUVD-2025-206629","GHSA-gc6v-8f4f-xvwp","UBUNTU-CVE-2025-6590"],"status":"published","title":"Complete content leak of private wikis due to PasswordReset Wikitext injection in error message","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.\n\nThis issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.","severity":{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00364,"percentile":0.30473,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2025-07-03T00:00:00Z","modified":"2026-10-17T12:57:28Z","fixes":[{"ecosystem":"Debian:12","package":"mediawiki","fixed_in":["1:1.39.13-1~deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mediawiki","fixed_in":["1:1.43.3+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mediawiki","fixed_in":["1:1.43.3+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.39.13-1~deb12u1"}]}],"versions":["1:1.39.10-1","1:1.39.10-1~deb12u1","1:1.39.12-1~deb12u1","1:1.39.2-1","1:1.39.4-1","1:1.39.4-1~deb12u1","1:1.39.4-2","1:1.39.5-1","1:1.39.5-1~deb12u1","1:1.39.6-1","1:1.39.7-1","1:1.39.7-1~deb12u1","1:1.39.8-1"]},{"source":"osv","ecosystem":"Debian:13","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.43.3+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.43.3+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.35.13-1+deb11u4"}]}],"versions":["1:1.35.11-1~deb11u1","1:1.35.13-1+deb11u2","1:1.35.13-1+deb11u3","1:1.35.13-1~deb11u1","1:1.35.2-1","1:1.35.3-1","1:1.35.4-1","1:1.35.4-1+deb11u2","1:1.35.4-1~deb11u1","1:1.35.5-1","1:1.35.5-2","1:1.35.6-1","1:1.35.7-1","1:1.35.8-1","1:1.35.8-1.1","1:1.35.8-1~deb11u1"],"bundled":12},{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.39.13-1~deb12u1"}]}],"versions":["1:1.39.10-1","1:1.39.10-1~deb12u1","1:1.39.12-1~deb12u1","1:1.39.2-1","1:1.39.4-1","1:1.39.4-1~deb12u1","1:1.39.4-2","1:1.39.5-1","1:1.39.5-1~deb12u1","1:1.39.6-1","1:1.39.7-1","1:1.39.7-1~deb12u1","1:1.39.8-1"],"bundled":8},{"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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.35.3-1","1:1.35.4-1","1:1.35.5-1","1:1.35.5-1ubuntu1","1:1.35.5-1ubuntu2","1:1.35.5-1ubuntu3","1:1.35.6-1","1:1.35.6-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.39.4-2","1:1.39.5-1","1:1.39.6-1","1:1.39.7-1","1:1.39.7-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.1+dfsg-1","1:1.43.1+dfsg-2","1:1.43.3+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.8+dfsg-2","1:1.43.9+dfsg-1","1:1.43.9+dfsg-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.3+dfsg-1","1:1.43.5+dfsg-1","1:1.43.6+dfsg-2","1:1.43.8+dfsg-1","1:1.43.8+dfsg-2"]}],"products":[{"vendor":"wikimedia foundation","product":"mediawiki"}],"references":[{"url":"https://phabricator.wikimedia.org/T392746","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6590"},{"url":"https://github.com/advisories/GHSA-gc6v-8f4f-xvwp"},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-6590","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-6590","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-6590","tags":["report"]},{"url":"https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/TT45WDZ7MDTXXBEFLBMLAJI532O2PN2U/","tags":["report"]},{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1165112","tags":["report"]},{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1165084","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-6590","title":"Complete content leak of private wikis due to PasswordReset Wikitext injection in error message","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.\n\nThis issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.","status":"published","published":"2026-02-02T23:03:07.979Z","modified":"2026-02-03T21:11:40.284Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:32:40.774223Z"}],"euvd":[{"id":"EUVD-2025-206629","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.\n\nThis issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.","status":"published","published":"2026-02-02T23:03:07Z","modified":"2026-02-03T21:11:40Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:48:44.612436Z"}],"ghsa":[{"id":"GHSA-gc6v-8f4f-xvwp","title":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation...","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.\n\nThis issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.","status":"published","published":"2026-02-03T00:30:18Z","modified":"2026-02-03T00:30:25Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:06:00.828476Z"}],"nvd":[{"id":"CVE-2025-6590","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.\n\nThis issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.","status":"published","published":"2026-02-02T23:16:01.503Z","modified":"2026-06-17T10:02:12.39Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:11:59.832225Z"}],"osv":[{"id":"DEBIAN-CVE-2025-6590","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.  This issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.","status":"published","published":"2026-02-02T23:16:01.503Z","modified":"2026-09-01T20:05:55.988315714Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:47.697959Z"},{"id":"UBUNTU-CVE-2025-6590","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php. This issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.","status":"published","published":"2026-02-02T23:16:00Z","modified":"2026-10-17T12:57:28.809563635Z","cvss":[{"version":"4.0","score":4.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:52.345622Z"},{"id":"DLA-4249-1","title":"mediawiki - security update","status":"published","published":"2025-07-23T00:00:00Z","modified":"2026-03-09T02:10:10.550157Z","updated_at":"2026-11-02T15:46:12.7027Z"},{"id":"DSA-5957-1","title":"mediawiki - security update","status":"published","published":"2025-07-03T00:00:00Z","modified":"2026-03-09T02:10:00.304756Z","updated_at":"2026-11-02T15:46:18.296714Z"}]}}