Index: /CKEditor/trunk/_source/plugins/clipboard/dialogs/paste.js
===================================================================
--- /CKEditor/trunk/_source/plugins/clipboard/dialogs/paste.js	(revision 3909)
+++ /CKEditor/trunk/_source/plugins/clipboard/dialogs/paste.js	(revision 3910)
@@ -22,5 +22,10 @@
 					+ 'var iframe = new window.parent.CKEDITOR.dom.element( frameElement );'
 					+ 'var dialog = iframe.getCustomData( "dialog" );'
-					+ 'dialog.fire( "iframeAdded", { iframe : iframe } );'
+		      + ''
+					+ 'iframe.getFrameDocument().on( "keydown", function( e )\
+						{\
+							if ( e.data.getKeystroke() == 27 )\
+								dialog.hide();\
+						});'
 				+ '};'
 				+ '</script><style>body { margin: 3px; height: 95%; } </style><body></body>',
Index: /CKEditor/trunk/_source/plugins/pastefromword/dialogs/pastefromword.js
===================================================================
--- /CKEditor/trunk/_source/plugins/pastefromword/dialogs/pastefromword.js	(revision 3909)
+++ /CKEditor/trunk/_source/plugins/pastefromword/dialogs/pastefromword.js	(revision 3910)
@@ -19,4 +19,10 @@
 					+ 'var iframe = new window.parent.CKEDITOR.dom.element( frameElement );'
 					+ 'var dialog = iframe.getCustomData( "dialog" );'
+		      + ''
+					+ 'iframe.getFrameDocument().on( "keydown", function( e )\
+						{\
+							if ( e.data.getKeystroke() == 27 )\
+								dialog.hide();\
+						});'
 					+ 'dialog.fire( "iframeAdded", { iframe : iframe } );'
 				+ '};'
Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 3909)
+++ /CKEditor/trunk/CHANGES.html	(revision 3910)
@@ -142,4 +142,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/3946">#3946</a> : Fixed unable to hide contextmenu.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/3956">#3956</a> : Fixed About dialog in Source Mode for IE.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/3953">#3953</a> : Fixed keystroke for close Paste dialog.</li>
 	</ul>
 	<h3>
