The DesignThemes Core Features plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the dt_process_imported_file function in all versions up to, and including, 4.7. This makes it possible for unauthenticated attackers to read arbitrary files on the underlying operating system.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.