{"id":"CVE-2021-20279","aliases":["BIT-moodle-2021-20279","GHSA-h7h6-fwpv-ggvx"],"url":"https://o3.security/vulnerability/CVE-2021-20279","summary":"Moodle contains Stored XSS via ID number user profile field","details":"The ID number user profile field required additional sanitizing to prevent a stored XSS risk in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.","published":"2021-03-15T22:15:13.140Z","modified":"2026-07-08T06:00:31.907661594Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.10.2"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.9.5"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.8.8"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.5.17"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1939033"},{"type":"FIX","url":"https://moodle.org/mod/forum/discuss.php?d=419650"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T06:00:31.907661594Z"}}