{"id":"CVE-2025-62400","aliases":["BIT-moodle-2025-62400","GHSA-422v-w6c5-vq42"],"url":"https://o3.security/vulnerability/CVE-2025-62400","summary":"Moodle: hidden group names visible to event creators","details":"Moodle exposed the names of hidden groups to users who had permission to create calendar events but not to view hidden groups. This could reveal private or restricted group information.","published":"2025-10-23T11:28:43.890Z","modified":"2026-08-12T03:51:48.440210940Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/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":"5.0.3"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"4.5.7"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"4.4.11"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"4.1.21"}],"fix":{"url":"https://github.com/moodle/moodle/commit/0c70d67059658879a71152ea075c74154a627d05","label":"moodle/moodle@0c70d67"},"references":[{"type":"WEB","url":"https://git.moodle.org"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2025-62400"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62400.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62400"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2404433"},{"type":"WEB","url":"https://github.com/moodle/moodle/commit/0c70d67059658879a71152ea075c74154a627d05"},{"type":"PACKAGE","url":"https://github.com/moodle/moodle"},{"type":"WEB","url":"https://moodle.org/mod/forum/discuss.php?d=470389"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:48.440210940Z"}}