diff -r 5a6b6e770365 -r 68c69c656a2c web/lib/Zend/Gdata/App/Base.php
--- a/web/lib/Zend/Gdata/App/Base.php	Thu May 07 15:10:09 2015 +0200
+++ b/web/lib/Zend/Gdata/App/Base.php	Thu May 07 15:16:02 2015 +0200
@@ -16,9 +16,9 @@
  * @category   Zend
  * @package    Zend_Gdata
  * @subpackage App
- * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: Base.php 24593 2012-01-05 20:35:02Z matthew $
+ * @version    $Id$
  */
 
 /**
@@ -26,13 +26,16 @@
  */
 require_once 'Zend/Gdata/App/Util.php';
 
+/** @see Zend_Xml_Security */
+require_once 'Zend/Xml/Security.php';
+
 /**
  * Abstract class for all XML elements
  *
  * @category   Zend
  * @package    Zend_Gdata
  * @subpackage App
- * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 abstract class Zend_Gdata_App_Base
@@ -301,9 +304,9 @@
             // Load the feed as an XML DOMDocument object
             @ini_set('track_errors', 1);
             $doc = new DOMDocument();
-            $success = @$doc->loadXML($xml);
+            $doc = @Zend_Xml_Security::scan($xml, $doc);
             @ini_restore('track_errors');
-            if (!$success) {
+            if (!$doc) {
                 require_once 'Zend/Gdata/App/Exception.php';
                 throw new Zend_Gdata_App_Exception("DOMDocument cannot parse XML: $php_errormsg");
             }