MvcOptionsExtensions.cs

public static class MvcOptionsExtensions
{
    public static void UseHtmlEncodeModelBinding(this MvcOptions opts)
    {
        var binderToFind = opts.ModelBinderProviders.FirstOrDefault(x => x.GetType() == typeof(SimpleTypeModelBinderProvider));

        if (binderToFind == null) return;

        var index = opts.ModelBinderProviders.IndexOf(binderToFind);
        opts.ModelBinderProviders.Insert(index, new HtmlEncodeModelBinderProvider());
    }
}