trendsetteryarns.com XSS vulnerability

Vulnerable URL: http://www.trendsetteryarns.com/tspatternbook.asp?pattern=PAT-5400="Trendsetter Patterns Spring/Summer 2017 - 5400=pattern-54=Infinity=Pattern Series 5400 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 20.12.2017 Vulnerability type:| XSS Vulnerability...