Perfit WooCommerce <= 1.0.1 - Missing Authorization to Unauthenticated Arbitrary Plugin Settings Deletion

The Perfit WooCommerce plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.0.1. This is due to missing authorization checks on the `logout` function called via the `actions` function hooked to `admin_init`. This makes it possible for unauthenticated attackers to delete arbitrary plugin settings via the `action` parameter.