Index: _source/plugins/wysiwygarea/plugin.js
===================================================================
--- _source/plugins/wysiwygarea/plugin.js	(revision 4217)
+++ _source/plugins/wysiwygarea/plugin.js	(working copy)
@@ -429,6 +429,29 @@
 						if ( keystrokeHandler )
 							keystrokeHandler.attach( domDocument );
 
+						// Cancel default action for backspace in IE for images. (#4047)
+						if ( CKEDITOR.env.ie )
+						{
+							editor.on( 'key', function( event )
+							{
+								// Backspace.
+								if ( event.data.keyCode == 8 )
+								{
+									var el = editor.getSelection().getSelectedElement();
+									if ( el && el.is( 'img' ) )
+									{
+										// Make undo snapshot.
+										editor.fire( 'saveSnapshot' );
+										// Remove manually.
+										el.remove();
+										editor.fire( 'saveSnapshot' );
+										// Cancel event.
+										event.data = true;
+									}
+								}
+							} );
+						}
+
 						// Adds the document body as a context menu target.
 						if ( editor.contextMenu )
 							editor.contextMenu.addTarget( domDocument );
Index: CHANGES.html
===================================================================
--- CHANGES.html	(revision 4217)
+++ CHANGES.html	(working copy)
@@ -67,6 +67,7 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4368">#4368</a> : borderColor table cell attribute haven't worked for none-IE</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4203">#4203</a> : In IE quirksmode + toolbar collapsed + source mode editing block height was incorrect.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4387">#4387</a> : Right clicking in Kama skin can lead to a javascript error.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4047">#4047</a> : In IE Backspace button on control type triggered history backward.</li>
 	</ul>
 	<h3>
 		CKEditor 3.0</h3>