The WPS Bidouille WordPress plugin before 1.33.5 does not have proper authorisation checks in an AJAX action, allowing any authenticated user, such as a subscriber, to retrieve the email addresses of all registered users.

The WPS Bidouille WordPress plugin before 1.33.5 does not have proper authorisation checks in an AJAX action, allowing any authenticated user, such as a subscriber, to retrieve the email addresses of all registered users.