diff --git a/pandora_console/include/ajax/events.php b/pandora_console/include/ajax/events.php
index e74006d406..04bb68a2a8 100644
--- a/pandora_console/include/ajax/events.php
+++ b/pandora_console/include/ajax/events.php
@@ -1380,9 +1380,11 @@ if ($change_owner) {
 if ($get_extended_event) {
     global $config;
 
-    $event = get_parameter('event', false);
+    $event = io_safe_output(get_parameter('event', false));
     $filter = get_parameter('filter', false);
 
+    $event = io_safe_output($event);
+
     if ($event === false) {
         return;
     }