Hi Milkman Dan,
Thank you for contacting us.
I suppose you are using Sitefinity 3.2.
You need to add this line of code into the file located at
For version Sitefinity 3.5 location is ~[your site]/Sitefinity/UserControls/Navigation35/SiteMenu.ascx.cs
|public void RadMenu1_ItemDataBound(object sender, RadMenuEventArgs e)
| e.Item.Text = HttpUtility.HtmlEncode(e.Item.Text);
Hope this information will help you.
the Telerik team