Cross Scripting(Xss) Vulnerability Check to Logon Module

Hi Experts,

Please let me know and suggest with any example, if any of you applied and solved Xss Vulnerability Check to Login Page of SAP EP Portal.

Below example shows for customized portal application.

https://scn.sap.com/community/enterprise-portal/blog/2014/10/07/an-approach-to-web-security-issues-on-customized-portal-applications

I am checking for login page of portal , i.e passing of this type of javascript values to parameters

https://<host>:<port>/irj/portal?j_username=Test&"onmouseover="location.href='https://www.google.com'"

shouldnot work, even on setting "Disable" value for Enable XSS Filter in Internet Explorer(IE) browser settings under security tab.