The Radio Player plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the update_player function in versions up to, and including, 2.0.73. This makes it possible for unauthenticated attackers to update player instances.
https://plugins.trac.wordpress.org/changeset/3048105
https://plugins.trac.wordpress.org/changeset/2942906/radio-player/trunk/includes/class-ajax.php
https://plugins.svn.wordpress.org/radio-player/tags/2.0.7/readme.txt