ckeditor add <iframe> tag in editor
I am using ckeditor in a drupal 7 site. I want to put iframe tag inside the editor. Currently what happen when we put iframe in ckeditor. <iframe src="http://www.lipsum.com/"></iframe> It convert that iframe tag with a img tag with some special attribute and URL. <img class="cke_iframe" data-cke-realelement="%3Ciframe%20src%3D%22http%3A%2F%2Fwww.lipsum.com%2F%22%20class%3D%22placeholder-tool%20helpTool-placeholder%22%20scrolling%3D%22no%22%20frameborder%3D%220%22%3E%3C%2Fiframe%3E" data-cke-real-node-type="1" alt="IFrame" title="IFrame" align="" src="http://testsite.com/sites/all/libraries