wc.rootsweb.ancestry.com XSS vulnerability

Vulnerable URL: http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=SRCH=cbry=Keritzy%22%3EKeirtzy%3Cimg%20src=x%20onerror=prompt/XSSPOSED/%3EQ Details: Description| Value ---|--- Patched:| Yes, at Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| Unknown / Not...