The Uncanny Groups for LearnDash plugin for WordPress is vulnerable to user group add due to a missing capability check on the /wp-json/ulgm_management/v1/add_user/ REST API endpoint in all versions up to, and including, 6.1.0.1. This makes it possible for authenticated attackers, with group leader-level access and above, to add users to their group which ultimately allows them to leverage CVE-2024-8349 and gain admin access to the site.

The Uncanny Groups for LearnDash plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 6.1.0.1. This is due to the plugin not properly restricting what users a group leader can edit. This makes it possible for authenticated attackers, with group leader-level access and above, to change admin account email addresses which can subsequently lead to admin account access.

Multiple cross-site scripting (XSS) vulnerabilities in Uncanny Groups for LearnDash before v3.7 allow authenticated remote attackers to inject arbitrary JavaScript or HTML via the ulgm_code_redeem POST Parameter in user-code-redemption.php, the ulgm_user_first POST Parameter in user-registration-form.php, the ulgm_user_last POST Parameter in user-registration-form.php, the ulgm_user_email POST Parameter in user-registration-form.php, the ulgm_code_registration POST Parameter in user-registration-form.php, the ulgm_terms_conditions POST Parameter in user-registration-form.php, the _ulgm_total_seats POST Parameter in frontend-uo_groups_buy_courses.php, the uncanny_group_signup_user_first POST Parameter in group-registration-form.php, the uncanny_group_signup_user_last POST Parameter in group-registration-form.php, the uncanny_group_signup_user_login POST Parameter in group-registration-form.php, the uncanny_group_signup_user_email POST Parameter in group-registration-form.php, the succe…