diff --git a/typo3/sysext/scheduler/class.tx_scheduler_module.php b/typo3/sysext/scheduler/class.tx_scheduler_module.php
index 02ef1aa..4e6cc53 100644
--- a/typo3/sysext/scheduler/class.tx_scheduler_module.php
+++ b/typo3/sysext/scheduler/class.tx_scheduler_module.php
@@ -484,9 +484,9 @@ class tx_scheduler_Module extends t3lib_SCbase {
 
 				// Display information about each service
 			foreach ($registeredClasses as $class => $classInfo) {
-				$table[$tr][] = $classInfo['title'];
-				$table[$tr][] = $classInfo['extension'];
-				$table[$tr][] = $classInfo['description'];
+				$table[$tr][] = htmlspecialchars($classInfo['title']);
+				$table[$tr][] = htmlspecialchars($classInfo['extension']);
+				$table[$tr][] = htmlspecialchars($classInfo['description']);
 				$link = $GLOBALS['MCONF']['_'] . '&SET[function]=list&CMD=add&tx_scheduler[class]=' . $class;
 				$table[$tr][] = '<a href="' . htmlspecialchars($link) . '" title="' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_common.xml:new', TRUE) . '" class="icon">' . t3lib_iconWorks::getSpriteIcon('actions-document-new') . '</a>';
 				$tr++;