tvlistings.telegraph.co.uk XSS vulnerability

Vulnerable URL: http://tvlistings.telegraph.co.uk/grid.php?=%22%3E%3Cscript%3Ealert%28String.fromCharCode%2888,%2083,%2083,%2080,%2079,%2083,%2069,%2068%29%29%3C/script%3E Details: Description| Value ---|--- Patched:| Yes, at 21.11.2017 Latest check for patch:| 21.11.2017 20:59 GMT Vulnerability...