using System;

using Ganss.XSS;

​

​

public class Program

{

    public static void Main()

    {

        var sanitizer = new HtmlSanitizer();

var html = @"<script>alert('xss')</script><div onload=""alert('xss')"""

    + @"style=""background-color: test"">Test<img src=""test.gif"""

    + @"style=""background-image: url(javascript:alert('xss')); margin: 10px""></div>";

var sanitized = sanitizer.Sanitize(html, "http://www.example.com");

    Console.WriteLine(sanitized);   

    }

}