The WP User Manager – User Profile Builder & Membership plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the validate_user_meta_key() function in all versions up to, and including, 2.9.11. This makes it possible for authenticated attackers, with Subscriber-level access and above, to enumerate user meta keys.

The WP User Manager – User Profile Builder & Membership plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'add_sidebar' and 'remove_sidebar' functions in all versions up to, and including, 2.9.11. This makes it possible for authenticated attackers, with Subscriber-level access and above, to add or remove a Carbon Fields custom sidebar if the Carbon Fields (carbon-fields) plugin is installed.

Cross-Site Request Forgery (CSRF) vulnerability in WP User Manager.This issue affects WP User Manager: from n/a through 2.9.10.

The WP User Manager WordPress plugin before 2.6.3 does not ensure that the user ID to reset the password of is related to the reset key given. As a result, any authenticated user can reset the password (to an arbitrary value) of any user knowing only their ID, and gain access to their account.