{"id":"CVE-2023-45361","aliases":["DEBIAN-CVE-2023-45361","EUVD-2023-49654","GHSA-vcv5-qjfg-9jmc","MGASA-2024-0155","UBUNTU-CVE-2023-45361"],"status":"published","title":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki...","description":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.","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":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00328,"percentile":0.26094,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2024-04-30T22:25:14Z","modified":"2026-10-26T18:02:33Z","fixes":[{"ecosystem":"Debian:12","package":"mediawiki","fixed_in":["1:1.39.5-1~deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mediawiki","fixed_in":["1:1.39.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mediawiki","fixed_in":["1:1.39.5-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.39.5-1~deb12u1"}]}],"versions":["1:1.39.2-1","1:1.39.4-1","1:1.39.4-1~deb12u1","1:1.39.4-2"]},{"source":"osv","ecosystem":"Debian:13","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.39.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.39.5-1"}]}]},{"source":"osv","ecosystem":"Mageia:9","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.35.14-1.mga9"}]}],"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":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://phabricator.wikimedia.org/T340220","tags":["web","report"]},{"url":"https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/skins/Vector/+/2a452b7e2562cba32b8a17bc91dc5abb531f0a1c","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45361"},{"url":"https://github.com/advisories/GHSA-vcv5-qjfg-9jmc"},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-45361","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2024-0155.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=33156","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-45361","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-45361","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-45361","description":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.","status":"published","published":"2024-10-09T00:00:00Z","modified":"2025-03-13T20:13:31.819Z","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":"adp"}],"updated_at":"2026-11-02T14:35:22.984825Z"}],"euvd":[{"id":"EUVD-2023-49654","description":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.","status":"published","published":"2024-10-09T00:00:00Z","modified":"2025-03-13T20:13:31Z","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":"2026-11-02T20:53:03.669796Z"}],"ghsa":[{"id":"GHSA-vcv5-qjfg-9jmc","title":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki...","description":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.","status":"published","published":"2024-10-09T06:30:23Z","modified":"2024-10-09T15:33:24Z","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":"2026-11-02T14:58:27.866821Z"}],"nvd":[{"id":"CVE-2023-45361","description":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.","status":"published","published":"2024-10-09T06:15:13.203Z","modified":"2026-06-17T06:28:41.57Z","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":"secondary"}],"updated_at":"2026-11-02T14:09:19.052418Z"}],"osv":[{"id":"DEBIAN-CVE-2023-45361","description":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.","status":"published","published":"2024-10-09T06:15:13.203Z","modified":"2026-10-26T18:02:33.566513192Z","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":"2026-11-02T15:45:40.275853Z"},{"id":"UBUNTU-CVE-2023-45361","description":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.","status":"published","published":"2024-10-09T06:15:00Z","modified":"2026-10-17T12:57:21.146444926Z","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":"2026-11-02T16:54:22.741943Z"},{"id":"CVE-2023-45361","description":"An issue was discovered in VectorComponentUserLinks.php in the Vector Skin component in MediaWiki before 1.39.5 and 1.40.x before 1.40.1. vector-intro-page MalformedTitleException is uncaught if it is not a valid title, leading to incorrect web pages.","status":"published","published":"2024-10-09T06:15:13Z","modified":"2026-04-16T04:42:07.768753882Z","updated_at":"2026-11-02T15:44:33.792101Z"},{"id":"MGASA-2024-0155","title":"Updated mediawiki packages fix security vulnerabilities","description":"Mediawiki v1.40.0 does not validate namespaces used in XML files.\nTherefore, if the instance administrator allows XML file uploads, a\nremote attacker with a low-privileged user account can use this exploit\nto become an administrator by sending a malicious link to the instance\nadministrator. (CVE-2023-3550)\nAn issue was discovered in MediaWiki before 1.35.12, 1.36.x through\n1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is XSS in\nyouhavenewmessagesmanyusers and youhavenewmessages i18n messages. This\nis related to MediaWiki:Youhavenewmessagesfromusers. (CVE-2023-45360)\nAn issue was discovered in DifferenceEngine.php in MediaWiki before\n1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1.\ndiff-multi-sameuser (aka \"X intermediate revisions by the same user not\nshown\") ignores username suppression. This is an information leak.\n(CVE-2023-45362)\nAn issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12,\n1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows\nattackers to cause a denial of service (unbounded loop and\nRequestTimeoutException) when querying pages redirected to other\nvariants with redirects and converttitles set. (CVE-2023-45363)\nAn issue was discovered in includes/page/Article.php in MediaWiki 1.36.x\nthrough 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision\nexistence is leaked due to incorrect permissions being checked. This\nreveals that a given revision ID belonged to the given page title, and\nits timestamp, both of which are not supposed to be public information.\n(CVE-2023-45364)\nAn issue was discovered in MediaWiki before 1.35.14, 1.36.x through\n1.39.x before 1.39.6, and 1.40.x before 1.40.2. In\nincludes/logging/RightsLogFormatter.php, group-*-member messages can\nresult in XSS on Special:log/rights. (CVE-2023-51704)\n","status":"published","published":"2024-04-30T22:25:14Z","modified":"2026-04-16T04:43:19.540034312Z","updated_at":"2026-11-02T15:49:42.684501Z"}]}}