{"id":"CVE-2016-5013","aliases":["GHSA-2hh3-jmv8-5fmx"],"url":"https://o3.security/vulnerability/CVE-2016-5013","summary":"Moodle Does Not Escape Characters In Email Headers","details":"In Moodle 2.x and 3.x, text injection can occur in email headers, potentially leading to outbound spam.","published":"2017-01-20T08:59:00.220Z","modified":"2026-07-08T12:53:11.171701Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.1.1"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"3.0.5"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"2.9.7"},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":null},{"ecosystem":"Packagist","name":"moodle/moodle","fixedVersion":"2.7.15"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/92040"},{"type":"FIX","url":"https://moodle.org/mod/forum/discuss.php?d=336698"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:53:11.171701Z"}}