Index: /CKEditor/branches/features/pasting/_source/plugins/clipboard/plugin.js
===================================================================
--- /CKEditor/branches/features/pasting/_source/plugins/clipboard/plugin.js	(revision 4303)
+++ /CKEditor/branches/features/pasting/_source/plugins/clipboard/plugin.js	(revision 4304)
@@ -165,4 +165,10 @@
 		var pastebin = new CKEDITOR.dom.element( mode == 'text' ? 'textarea' : 'div', doc );
 		pastebin.setAttribute( 'id', 'cke_pastebin' );
+
+		// IE require the bin to at least contain one piece of text otherwise the
+		// paste is treated as unauthorized.
+		if( mode != 'text' && CKEDITOR.env.ie )
+			pastebin.append( new CKEDITOR.dom.text( ' ' ) );
+
 		doc.getBody().append( pastebin );