{"id":"CVE-2018-10891","aliases":["GHSA-p7v9-gjrh-563x"],"url":"https://o3.security/vulnerability/CVE-2018-10891","summary":"Moodle XSS Vulnerability","details":"A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. When a quiz question bank is imported, it was possible for the question preview that is displayed to execute JavaScript that is written into the question bank.","published":"2018-07-10T18:29:00.313Z","modified":"2026-07-08T14:59:24.386507Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.5.1"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.4.4"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.3.7"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.2.10"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.1.13"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/104739"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10891"},{"type":"FIX","url":"https://moodle.org/mod/forum/discuss.php?d=373371"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T14:59:24.386507Z"}}