spreadshirt.it XSS vulnerability

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