{"id":"CVE-2018-0503","aliases":["DEBIAN-CVE-2018-0503","DSA-4301-1","EUVD-2022-4567","GHSA-mhfv-9h99-jwg7","MGASA-2018-0433","RHSA-2019:3142","RHSA-2019:3238","RHSA-2019:3813","UBUNTU-CVE-2018-0503"],"status":"published","title":"$wgRateLimits entry for 'user' overrides 'newbie'","description":"Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.","severity":{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0156,"percentile":0.75393,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269"],"published":"2018-09-22T00:00:00Z","modified":"2026-10-24T10:30:44Z","fixes":[{"ecosystem":"Packagist","package":"mediawiki/core","fixed_in":["1.27.5","1.29.3","1.30.1","1.31.1"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"mediawiki","fixed_in":["1:1.31.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mediawiki","fixed_in":["1:1.31.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mediawiki","fixed_in":["1:1.31.1-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.27.0"},{"fixed":"1.27.5"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.29.0"},{"fixed":"1.29.3"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.30.0"},{"fixed":"1.30.1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.31.0"},{"fixed":"1.31.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.31.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.31.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.31.1-1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.5-1~deb9u1"}]}],"versions":["1:1.27.3-1","1:1.27.4-1","1:1.27.4-1~bpo8+1","1:1.27.4-1~deb9u1","1:1.27.4-2","1:1.27.4-3"],"bundled":3},{"source":"osv","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.27.0"},{"fixed":"1.27.5"}]}],"versions":["1.27.0","1.27.1","1.27.2","1.27.3","1.27.4"]},{"source":"osv","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.29.0"},{"fixed":"1.29.3"}]}],"versions":["1.29.0","1.29.1","1.29.2"]},{"source":"osv","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.30.0"},{"fixed":"1.30.1"}]}],"versions":["1.30.0"]},{"source":"osv","ecosystem":"Packagist","package":"mediawiki/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.31.0"},{"fixed":"1.31.1"}]}],"versions":["1.31.0"]},{"source":"osv","ecosystem":"Mageia:6","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.27.5-1.mga6"}]}],"bundled":3},{"source":"osv","ecosystem":"Red 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Hat:openshift:3.9::el7","package":"mediawiki123-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.23.17-1.el7"}]}],"bundled":3},{"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"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"mediawiki","product":"mediawiki"},{"vendor":"wikimedia foundation","product":"mediawiki"}],"references":[{"url":"https://lists.wikimedia.org/pipermail/wikitech-l/2018-September/090849.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","Vendor Advisory","fix","web","report"]},{"url":"http://www.securitytracker.com/id/1041695","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://phabricator.wikimedia.org/T169545","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://www.debian.org/security/2018/dsa-4301","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2019:3142","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2019:3238","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2019:3813","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0503","tags":["advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2018-0503.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-mhfv-9h99-jwg7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-0503","tags":["advisory"]},{"url":"https://github.com/wikimedia/mediawiki","tags":["package"]},{"url":"https://advisories.mageia.org/MGASA-2018-0433.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=23662","tags":["report"]},{"url":"https://lists.wikimedia.org/pipermail/mediawiki-announce/2018-September/000223.html","tags":["web"]},{"url":"https://access.redhat.com/security/updates/classification/#low","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1634161","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1634166","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3142.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-0503","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-0503","tags":["advisory","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-0505","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-0505","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0505","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1634168","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3238.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-0504","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-0504","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-0504","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3813.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-0503","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-0503","title":"$wgRateLimits entry for 'user' overrides 'newbie'","description":"Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.","status":"published","published":"2018-10-04T20:00:00Z","modified":"2024-09-17T01:30:58.026Z","updated_at":"2026-11-02T14:35:12.160284Z"}],"euvd":[{"id":"EUVD-2022-4567","description":"Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.","status":"published","published":"2018-10-04T20:00:00Z","modified":"2024-09-17T01:30:58Z","updated_at":"2026-11-03T00:28:49.329777Z"}],"ghsa":[{"id":"GHSA-mhfv-9h99-jwg7","title":"Mediawiki Improper Privilege Management","description":"Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.","status":"published","published":"2022-05-13T01:31:05Z","modified":"2024-05-15T22:56:26Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:37:49.987036Z"}],"nvd":[{"id":"CVE-2018-0503","description":"Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.","status":"published","published":"2018-10-04T20:29:00.327Z","modified":"2026-06-17T01:31:01.95Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:04:42.52179Z"}],"osv":[{"id":"CVE-2018-0503","description":"Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.","status":"published","published":"2018-10-04T20:29:00.327Z","modified":"2026-10-24T10:30:44.854895542Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:07.192756Z"},{"id":"DEBIAN-CVE-2018-0503","description":"Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.","status":"published","published":"2018-10-04T20:29:00.327Z","modified":"2026-10-23T18:03:17.184730709Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:29.988046Z"},{"id":"GHSA-mhfv-9h99-jwg7","title":"Mediawiki Improper Privilege Management","description":"Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.","status":"published","published":"2022-05-13T01:31:05Z","modified":"2024-05-19T02:24:41.678615Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:46:51.811331Z"},{"id":"RHSA-2019:3142","title":"Red Hat Security Advisory: OpenShift Container Platform 3.11 mediawiki security update","status":"published","published":"2024-09-16T03:00:29Z","modified":"2025-11-22T11:49:22Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:06.0195Z"},{"id":"RHSA-2019:3238","title":"Red Hat Security Advisory: OpenShift Container Platform 3.10 mediawiki security update","status":"published","published":"2024-09-16T03:02:14Z","modified":"2025-11-22T11:49:54Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:06.0195Z"},{"id":"RHSA-2019:3813","title":"Red Hat Security Advisory: OpenShift Container Platform 3.9 mediawiki123 security update","status":"published","published":"2024-09-16T03:02:19Z","modified":"2025-11-22T11:51:18Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:06.535721Z"},{"id":"UBUNTU-CVE-2018-0503","description":"Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.","status":"published","published":"2018-10-04T20:29:00Z","modified":"2025-10-24T04:46:43Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:16.154988Z"},{"id":"DSA-4301-1","title":"mediawiki - security update","status":"published","published":"2018-09-22T00:00:00Z","modified":"2026-03-09T02:08:49.238246Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"MGASA-2018-0433","title":"Updated mediawiki packages fix security vulnerabilities","description":"Updated mediawiki packages fix security vulnerabilities:\n\n'$wgRateLimits' entry for 'user' overrides 'newbie' (CVE-2018-0503).\n\nWhen a log event is (partially) hidden Special:Redirect/logid can link\nto the incorrect log and reveal hidden information (CVE-2018-0504).\n\nBotPasswords can bypass CentralAuth's account lock (CVE-2018-0505).\n","status":"published","published":"2018-11-03T11:55:18Z","modified":"2026-04-16T06:25:14.672687706Z","updated_at":"2026-11-02T15:49:40.793816Z"}]}}