{"id":"CVE-2024-33999","summary":"moodle: unsafe direct use of $_SERVER['HTTP_REFERER'] in admin/tool/mfa/index.php","details":"The referrer URL used by MFA required additional sanitizing, rather than being used directly.","aliases":["BIT-moodle-2024-33999","GHSA-r2wx-46gp-rp3h"],"modified":"2026-08-12T03:51:47.161281650Z","published":"2024-05-31T19:53:00.995Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/33xxx/CVE-2024-33999.json","unresolved_ranges":[{"extracted_events":[{"introduced":"4.3"},{"last_affected":"4.3.3"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"fedora","cwe_ids":["CWE-20"]},"references":[{"type":"WEB","url":"https://git.moodle.org"},{"type":"WEB","url":"https://moodle.org/mod/forum/discuss.php?d=458387"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/33xxx/CVE-2024-33999.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-33999"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/moodle/moodle","events":[{"introduced":"fe7aff8093240cc373f1ddaa66ecb91c4bc0a09f"},{"fixed":"143c2cd5bef1268751d58bbfc6c66c1d93cb9797"}],"database_specific":{"extracted_events":[{"introduced":"4.3.0"},{"fixed":"4.3.4"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*"}}],"versions":["v4.3.3","v4.3.2","v4.3.1","v4.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-33999.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}