campaigns.peta2.com XSS vulnerability

Vulnerable URL: http://campaigns.peta2.com/who-are-you-wearing/?utmcampaign=0616%20For%20Youth%20sectionsource=PETA%20Front%20Page%22%3E%3Cscript%20src=null%20onerror=alert/OPENBUGBOUNTY/%3Emedium=Promo Details: Description| Value ---|--- Patched:| Yes, at 27.07.2017 Latest check for patch:|...