{"id":"CVE-2026-15309","aliases":["EUVD-2026-124347","GHSA-4jpv-w9ww-m96w"],"status":"published","title":"CourseCure Courses \u003c= 1.5.1 - Authenticated (Subscriber+) Privilege Escalation to 'ajax_save_settings' Endpoint","description":"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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2026-11-12T11:32:16Z","modified":"2026-11-12T12:31:45Z","products":[{"vendor":"wishlist member","product":"coursecure courses"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/2d754689-0d64-4cb8-9c73-7dd6d4fb0c72?source=cve"},{"url":"https://my.wishlistmember.com/changelog/coursecure-courses-1-5-3/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15309"},{"url":"https://my.wishlistmember.com/changelog/coursecure-courses-1-5-3"},{"url":"https://github.com/advisories/GHSA-4jpv-w9ww-m96w"}],"sources":{"cve":[{"id":"CVE-2026-15309","title":"CourseCure Courses \u003c= 1.5.1 - Authenticated (Subscriber+) Privilege Escalation to 'ajax_save_settings' Endpoint","description":"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.","status":"published","published":"2026-11-12T11:32:16.143Z","modified":"2026-11-12T11:32:16.143Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-12T12:42:25.726487Z"}],"euvd":[{"id":"EUVD-2026-124347","description":"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.","status":"published","published":"2026-11-12T11:32:16Z","modified":"2026-11-12T11:32:16Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-12T14:33:51.403529Z"}],"ghsa":[{"id":"GHSA-4jpv-w9ww-m96w","title":"The CourseCure Courses plugin for WordPress is vulnerable to Privilege Escalation in versions up...","description":"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.","status":"published","published":"2026-11-12T12:31:37Z","modified":"2026-11-12T12:31:45Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-12T12:41:04.410575Z"}],"nvd":[{"id":"CVE-2026-15309","description":"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.","status":"published","published":"2026-11-12T12:18:23.92Z","modified":"2026-11-12T12:18:24.04Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-12T13:31:11.73784Z"}]}}