Classic Addons – Wpbakery Page Builder
The issue allows authenticated attackers with Contributor-level access and above, and permissions granted by an Administrator, to include and execute arbitrary PHP files on the server via the `style` parameter. This enables the execution of any PHP code in those files, which can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included. The issue is limited to PHP files in a Windows environment.