Responsive Thumbnail Slider < 1.0.1 - Authenticated (Subscriber+) Arbitrary File Upload

The Responsive Thumbnail Slider plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type sanitization in the via the image uploader in versions up to 1.0.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload arbitrary files on the affected sites server using a double extension which may make remote code execution possible.