The Exclusive Divi – Divi Preloader, Modules for Divi & Extra Theme plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 1.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

The Divi Torque Lite – Divi Theme and Extra Theme plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘support_unfiltered_files_upload’ function in all versions up to, and including, 3.6.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Supreme Modules Lite – Divi Theme, Extra Theme and Divi Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘button_one_id’ parameter in all versions up to, and including, 2.5.51 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Elegant Themes Divi theme, Extra theme, and Divi Page Builder plugin for WordPress are vulnerable to DOM-Based Stored Cross-Site Scripting via the ‘title’ parameter in versions up to, and including, 4.25.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Supreme Modules Lite – Divi Theme, Extra Theme and Divi Builder plugin for WordPress is vulnerable to DOM-Based Cross-Site Scripting via the ‘typing_cursor’ parameter in versions up to, and including, 2.5.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

An issue was discovered in the Divi Builder plugin, Divi theme, and Divi Extra theme before 4.5.3 for WordPress. Authenticated attackers, with contributor-level or above capabilities, can upload arbitrary files, including .php files. This occurs because the check for file extensions is on the client side.