Mavix Education <= 1.0 - Missing Authorization to Authenticated (Subscriber+) 'Creativ Demo Importer' Plugin Activation

The Mavix Education theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'mavix_education_activate_plugin' AJAX action in all versions up to, and including, 1.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to activate the Creativ Demo Importer plugin.