WordPress WP Cloud Plugins - Box (Lets-Box) plugin 2.0-3.8.3 - Authenticated (Subscriber+) Arbitrary File Upload vulnerability

WordPress WP Cloud Plugins - Box Lets-Box plugin 2.0-3.8.3 - Authenticated Subscriber+ Arbitrary File Upload vulnerability discovered by WP Cloud Plugins in WordPress Plugin Lets-Box versions 2.0-3.8.3...