Kaswara Modern VC Addons (0-day) - Unauthenticated Arbitrary File Upload

The plugin allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fontsicon directory with no checks for malicious files such as PHP. The vendor has been unresponsive to both the reporter and Envato,...