FV Flowplayer Video Player <= 7.3.13.727 - Unauthenticated Stored XSS

The vulnerable function is exposed to unauthenticated users over wpajaxnoprivfvwpflowplayeremailsignup ajax hook. It saves anything that user provides in email POST parameter. PoC Send POST request to wp-admin/admin-ajax.php with body content: "[email protected]" The...