fifty5plus.com XSS vulnerability

Vulnerable URL: http://fifty5plus.com/framesets/developmentsearch.asp?load=schemedetails.asp?development=2860"%27--!"' Details: Description| Value ---|--- Patched:| No Latest check for patch:| 30.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 2947112 VIP...