The Avada | Website Builder For WordPress & WooCommerce theme for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ajax_import_options() function in all versions up to, and including, 7.11.4. This makes it possible for authenticated attackers, with contributor-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

The Avada theme for WordPress is vulnerable to Stored Cross-Site Scripting via the update_layout function in versions up to, and including, 6.2.3 due to insufficient input sanitization and output escaping. This makes it possible for contributor-level attackers, and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Cross-Site Request Forgery (CSRF) vulnerability in ThemeFusion Avada premium theme versions <= 7.8.1 on WordPress leading to arbitrary plugin installation/activation.

The Fusion Builder WordPress plugin before 3.6.2, used in the Avada theme, does not validate a parameter in its forms which could be used to initiate arbitrary HTTP requests. The data returned is then reflected back in the application's response. This could be used to interact with hosts on the server's local network bypassing firewalls and access control measures.

The avada theme before 5.1.5 for WordPress has stored XSS.

The avada theme before 5.1.5 for WordPress has CSRF.