mattkirkland.com XSS vulnerability

Vulnerable URL: http://mattkirkland.com/westminster/catechism.php?id=13'" Details: Description| Value ---|--- Patched:| No Latest check for patch:| 28.12.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| Unknown / Not calculated VIP website status:| No Coordinate...