{"id":"CVE-2018-16854","aliases":["GHSA-xj5f-qv37-r9jc"],"url":"https://o3.security/vulnerability/CVE-2018-16854","summary":"Moodle Login CSRF vulnerability in login form","details":"A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed versions include 3.6, 3.5.3, 3.4.6, 3.3.9 and 3.1.15.","published":"2018-11-26T17:29:00.330Z","modified":"2026-07-08T17:16:03.268103Z","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":{"score":0.02485,"percentile":0.83285,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.1.15"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.3.9"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.4.6"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.5.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106017"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1042154"},{"type":"ADVISORY","url":"https://moodle.org/mod/forum/discuss.php?d=378731"},{"type":"FIX","url":"http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-63183"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16854"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T17:16:03.268103Z"}}