schaubuehne.de XSS vulnerability

Vulnerable URL: http://www.schaubuehne.de/de/index.php?action=suche=210=09spielplansuchevon=27.05.17=a%3E%27%3E%22%3Et%3Ci%3Ep%3Cimg+src%3Dy+onerror%3Dprompt%28%2Fopenbugbounty%2F%29%3E Details: Description| Value ---|--- Patched:| Yes, at 07.06.2017 Latest check for patch:| 07.06.2017 10:56 GMT...