WF blocks pasting Google Map iframe code in Divi

I have a site built with Elegant Themes Divi. When I paste one simple block of iframe code to display a Google Map on the contact us page, I litterally get thrown out of the page and a new browser tab opens that is blank. If I go back to the original tab the iframe code is there and when I save the page I am then presented with an error saying that the page failed to save. I have already contacted Elegant Themes and they stated there is nothing in et Divi that blocks google maps iframe code. I disabled all plugins and found that it is the wordfence plugin that won’t allow the iframe code. I can include it and save the page just fine without wordfence activated. However, I really want to have wordfence active. How do I tell wordfence to allow this google map code?