santaursula.es XSS vulnerability

Vulnerable URL: http://www.santaursula.es/ayto/index.php?id=agendacache=1avtcagendapi1mode=DAY%22%27--!%3E%3Cscript%3Ealert'OPENBUGBOUNTY'%3C/script%3Eavtcagendapi1fecha=5.7.2017 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 29.07.2017 Vulnerability type:| XSS...