Index: branches/unlabeled/unlabeled-1.18.2/kernel/units/general/helpers/permissions_helper.php
===================================================================
diff -u -r6107 -r6235
--- branches/unlabeled/unlabeled-1.18.2/kernel/units/general/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 6107)
+++ branches/unlabeled/unlabeled-1.18.2/kernel/units/general/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 6235)
@@ -335,7 +335,13 @@
 		 */
 		function CheckPermission($name, $type = 1, $cat_id = null)
 		{
-			if ($this->Application->GetVar('u_id') == -1) {
+			$user_id = $this->Application->GetVar('u_id');
+			return $this->CheckUserPermission($user_id, $name, $type, $cat_id);
+		}
+
+		function CheckUserPermission($user_id, $name, $type = 1, $cat_id = null)
+		{
+			if ($user_id == -1) {
 				// "root" is allowed anywhere
 				return $name == 'SYSTEM_ACCESS.READONLY' ? 0 : 1;
 			}
@@ -371,7 +377,16 @@
 						WHERE (PermId = '.$perm_id.') AND (CategoryId = '.$cat_id.')';
 
 				$view_filters = Array();
-				$groups = explode(',', $this->Application->RecallVar('UserGroups'));
+				if ($user_id == $this->Application->GetVar('u_id')) {
+					$groups = explode(',', $this->Application->RecallVar('UserGroups'));
+				}
+				else { // checking not current user
+					$sql = 'SELECT GroupId FROM '.TABLE_PREFIX.'UserGroup
+									WHERE (PortalUserId = '.$user_id.') AND
+												( (MembershipExpires IS NULL) OR ( MembershipExpires >= UNIX_TIMESTAMP() ) )';
+					$groups = $this->Conn->GetCol($sql);
+					array_push($groups, $this->Application->ConfigValue('User_LoggedInGroup') );
+				}
 				foreach ($groups as $group) {
 					$view_filters[] = 'FIND_IN_SET('.$group.', ACL)';
 				}