{"id":"CVE-2016-2151","aliases":["GHSA-r3fc-hx6q-g6cq"],"url":"https://o3.security/vulnerability/CVE-2016-2151","summary":"Moodle allows attackers to discover student e-mail addresses","details":"user/index.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 grants excessive authorization on the basis of the moodle/course:viewhiddenuserfields capability, which allows remote authenticated users to discover student e-mail addresses by leveraging the teacher role and reading a Participants list.","published":"2016-05-22T20:59:00.097Z","modified":"2026-07-08T12:43:58.371906Z","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":"2.7.13"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"2.8.11"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"2.9.5"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.0.3"}],"fix":null,"references":[{"type":"WEB","url":"http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-52433"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/03/21/1"},{"type":"WEB","url":"http://www.securitytracker.com/id/1035333"},{"type":"ADVISORY","url":"https://moodle.org/mod/forum/discuss.php?d=330173"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:43:58.371906Z"}}