{"id":"CVE-2016-6331","aliases":["DEBIAN-CVE-2016-6331","EUVD-2016-7258","GHSA-fp5m-f325-vm83","MGASA-2016-0305"],"status":"published","title":"ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows...","description":"ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02133,"percentile":0.82115,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284"],"published":"2016-09-16T09:27:13Z","modified":"2026-10-24T10:30:24Z","fixes":[{"ecosystem":"Debian:12","package":"mediawiki","fixed_in":["1:1.27.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mediawiki","fixed_in":["1:1.27.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mediawiki","fixed_in":["1:1.27.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.27.1-1"}]}]},{"source":"osv","ecosystem":"Mageia:5","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.23.15-1.mga5"}]}],"bundled":6}],"products":[{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Vendor Advisory","fix","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1369613","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","report"]},{"url":"https://phabricator.wikimedia.org/T115333","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6331"},{"url":"https://github.com/advisories/GHSA-fp5m-f325-vm83"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-6331","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2016-0305.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=19252","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-6331","description":"ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.","status":"published","published":"2017-04-20T17:00:00Z","modified":"2024-08-06T01:29:19.952Z","updated_at":"2026-11-02T14:33:34.443637Z"}],"euvd":[{"id":"EUVD-2016-7258","description":"ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.","status":"published","published":"2017-04-20T17:00:00Z","modified":"2024-08-06T01:29:19Z","updated_at":"2026-11-03T02:22:39.91691Z"}],"ghsa":[{"id":"GHSA-fp5m-f325-vm83","title":"ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows...","description":"ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.","status":"published","published":"2022-05-17T02:48:44Z","modified":"2023-01-27T05:06:23Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:42:54.023332Z"}],"nvd":[{"id":"CVE-2016-6331","description":"ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.","status":"published","published":"2017-04-20T17:59:00.557Z","modified":"2026-06-17T00:50:50.52Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/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-284"],"updated_at":"2026-11-02T14:03:37.619685Z"}],"osv":[{"id":"CVE-2016-6331","description":"ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.","status":"published","published":"2017-04-20T17:59:00.557Z","modified":"2026-10-24T10:30:24.662109264Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:02.776224Z"},{"id":"DEBIAN-CVE-2016-6331","description":"ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.","status":"published","published":"2017-04-20T17:59:00.557Z","modified":"2026-09-22T07:02:10.518561736Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:27.910042Z"},{"id":"MGASA-2016-0305","title":"Updated mediawiki packages fix security vulnerability","description":"Check read permission when loading page content in ApiParse\n(CVE-2016-6331)\n\nMake blocks log users out if $wgBlockDisablesLogin is true (CVE-2016-6332)\n\nMake $wgBlockDisablesLogin also restrict logged in permissions\n(CVE-2016-6332)\n\nRequire login to preview user CSS pages (CVE-2016-6333)\n\nEscape '\u003c' and ']]\u003e' in inline \u003cstyle\u003e blocks (CVE-2016-6333)\n\nXSS in unclosed internal links (CVE-2016-6334)\n\nAPI: Generate head items in the context of the given title (CVE-2016-6335)\n\nDo not allow undeleting a revision deleted file if it is the top file\n(CVE-2016-6336)\n\nThe mediawiki package has been updated to version 1.23.15, which contains\nthe above fixes.\n","status":"published","published":"2016-09-16T09:27:13Z","modified":"2026-04-16T06:25:32.876729138Z","updated_at":"2026-11-02T15:49:40.103088Z"}]}}