Avada < 7.11.7 - Authenticated (Contributor+) Server-Side Request Forgery via form_to_url_action

Description

The Avada | Website Builder For WordPress & WooCommerce theme for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 7.11.6 via the form_to_url_action function. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.