zeffertt.co.uk XSS vulnerability

Vulnerable URL: http://www.zeffertt.co.uk/torvy/message.php?to=torven=messaging2=descendancy.php%3Fged%3Dzeff.ged=/%27%22--!%3E%20%3Cimg%20src=x%20onerror=alert%22OPENBUGBOUNTY%22%3E=hepqmct9afjk7p0gbt76jkhp32 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 28.07.2017...