{"id":"CVE-2025-67853","aliases":["BIT-moodle-2025-67853","GHSA-5cx4-w4fh-fr57"],"url":"https://o3.security/vulnerability/CVE-2025-67853","summary":"Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service","details":"A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts.","published":"2026-02-03T10:52:12.755Z","modified":"2026-07-15T01:48:52.436472010Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"4.1.22"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"4.4.12"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"4.5.8"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"5.0.4"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"5.1.1"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/moodle/moodle/"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2025-67853"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/67xxx/CVE-2025-67853.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-67853"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2423847"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:48:52.436472010Z"}}