{"id":"CVE-2026-15309","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-15309","summary":"The CourseCure Courses plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 1.5.1. This is due to a missing capability check in the ajax_save_settings()…","details":"The CourseCure Courses plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 1.5.1. This is due to a missing capability check in the ajax_save_settings() function, which accepts arbitrary POST parameters and calls update_option() with attacker-controlled keys and values without any authorization verification. This makes it possible for authenticated attackers, with subscriber-level access and above, to elevate their privileges to administrator by setting the default_role WordPress option to 'administrator' and users_can_register to '1', then registering a new account that is automatically granted full administrator access.","published":"2026-11-12T12:18:23.920","modified":"2026-11-12T12:18:24.040","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://my.wishlistmember.com/changelog/coursecure-courses-1-5-3/"},{"type":"WEB","url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/2d754689-0d64-4cb8-9c73-7dd6d4fb0c72?source=cve"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-12T12:18:24.040"}}