{"id":"CVE-2016-3734","aliases":["GHSA-r867-v437-4rrm"],"url":"https://o3.security/vulnerability/CVE-2016-3734","summary":"Moodle Cross-site request forgery (CSRF) vulnerability","details":"Cross-site request forgery (CSRF) vulnerability in markposts.php in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13 and earlier allows remote attackers to hijack the authentication of users for requests that marks forum posts as read.","published":"2017-04-20T21:59:00.873Z","modified":"2026-10-24T10:30:15.034398133Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"2.7.14"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"2.8.12"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"2.9.6"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.0.4"}],"fix":{"url":"https://github.com/moodle/moodle/commit/01408d619ba89d32f9ad83308990ff9b0374cb57","label":"moodle/moodle@01408d6"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/05/17/4"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/91281"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1035902"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1335933"},{"type":"FIX","url":"http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-53755"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-3734"},{"type":"WEB","url":"https://github.com/moodle/moodle/commit/01408d619ba89d32f9ad83308990ff9b0374cb57"},{"type":"WEB","url":"https://github.com/moodle/moodle/commit/1f5c494f761ef7961c449075adf192e149148e1a"},{"type":"WEB","url":"https://github.com/moodle/moodle/commit/7873e36f0cc0ccfd1424ff9302eb1ea9e4e74305"},{"type":"WEB","url":"https://github.com/moodle/moodle/commit/d98c24659935c1bdff4b35ec0a85ab1a3ab05d9f"},{"type":"WEB","url":"https://github.com/moodle/moodle/commit/e90e0ea5700ee9b016034b74ed7f41787109d1a2"},{"type":"PACKAGE","url":"https://github.com/moodle/moodle"},{"type":"WEB","url":"https://web.archive.org/web/20160703032310/http://www.securitytracker.com/id/1035902"},{"type":"WEB","url":"https://web.archive.org/web/20160930194927/http://www.securityfocus.com/bid/91281"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:15.034398133Z"}}