{"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":"2026-10-24T10:30:27.888781407Z","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":{"url":"https://github.com/moodle/moodle/commit/ed63718caa48803843a14140d8a27f04aba9c8c4","label":"moodle/moodle@ed63718"},"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/92040"},{"type":"FIX","url":"https://moodle.org/mod/forum/discuss.php?d=336698"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-5013"},{"type":"WEB","url":"https://github.com/moodle/moodle/commit/ed63718caa48803843a14140d8a27f04aba9c8c4"},{"type":"WEB","url":"https://web.archive.org/web/20210123154543/http://www.securityfocus.com/bid/92040"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:27.888781407Z"}}