CP Contact Form with Paypal <= 1.3.34 is vulnerable to Missing Authorization Leading To Feedback Submission vulnerability

The CP Contact Form with Paypal plugin for WordPress is vulnerable to missing authorization on the 'cpcfwpp_feedback' function in versions up to, and including, 1.3.34. This allows authenticated attackers, with subscriber-level capabilities or above, to submit feedback to the plugin developers, which is intended to be a functionality reserved for administrators.