webspirit.us XSS vulnerability

Vulnerable URL: http://www.webspirit.us/[email protected]=RE:%20Contact%20from%20your%20WebSpirit%20page%20-%20Harbin%20Hot%20Springs%20Fundraiser%20with%20Jaya%20Lakshmi%20and%20Anandaname=/%27%22--!%3E%20%3Cimg%20src=x%20onerror=alert%22OPENBUGBOUNTY%22%3E Details:...