CVE-2026-1657 EventPrime <= 4.2.8.4 - Missing Authorization to Unauthenticated Image Upload via 'ep_upload_file_media' AJAX Endpoint

The EventPrime plugin for WordPress is vulnerable to unauthorized image file upload in all versions up to, and including, 4.2.8.4. This is due to the plugin registering the uploadfilemedia AJAX action as publicly accessible nopriv-enabled without implementing any authentication, authorization, or...