Index: session.php
===================================================================
--- session.php	(revision 12677)
+++ session.php	(working copy)
@@ -1114,11 +1114,15 @@
 			}
 			elseif ($this->Application->GetVar('admin')) {
 				// admin checking by session data to prevent recursive session save
-				if (!$this->RecallVar('admin')) {
+				static $admin_saved = null;
+
+				if (!$this->RecallVar('admin') && !isset($admin_saved)) {
 					// bug: we get recursion in this place, when cookies are disabled in browser and we are browsing
 					// front-end in admin's frame (front-end session is initialized using admin's sid and they are
 					// mixed together)
 
+					$admin_saved = true;
+
 					$admin_session =& $this->Application->recallObject('Session.admin');
 					/* @var $admin_session Session */