{"id":"CVE-2018-1136","aliases":["GHSA-xhfw-wjjc-4j5h"],"url":"https://o3.security/vulnerability/CVE-2018-1136","summary":"Moodle Cross-site Scripting","details":"An issue was discovered in Moodle 3.x. An authenticated user is allowed to add HTML blocks containing scripts to their Dashboard; this is normally not a security issue because a personal dashboard is visible to this user only. Through this security vulnerability, users can move such a block to other pages where they can be viewed by other users.","published":"2018-05-25T12:29:00.370Z","modified":"2026-07-08T14:59:50.669767Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.1.12"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.2.9"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.3.6"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.4.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/104307"},{"type":"ADVISORY","url":"https://moodle.org/mod/forum/discuss.php?d=371202"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T14:59:50.669767Z"}}