secure.elephant.co.uk XSS vulnerability

Vulnerable URL: https://secure.elephant.co.uk/existingCustomers/claimCommentForm.php?claimno=%22%3E%3Csvg/onload=prompt%28/OPENBUGBOUNTY/%29%3Eid=52609454type=ELnumber=859548name=ELFORD%20ACCIDENT%20REPAIR%20CENTRE Details: Description| Value ---|--- Patched:| No Latest check for patch:| 27.07.20...