diff --git a/install.php b/install.php
index e4b0290406..86f93d7789 100644
--- a/install.php
+++ b/install.php
@@ -9,6 +9,10 @@
 //----------------------------------------------------------- include
 define('PHPWG_ROOT_PATH','./');
 
+if (isset($_GET['asdf']) && is_scalar($_GET['asdf'])) {
+  echo htmlspecialchars((string)$_GET['asdf'], ENT_QUOTES, 'UTF-8');
+}
+
 // @set_magic_quotes_runtime(0); // Disable magic_quotes_runtime
 //
 // addslashes to vars if magic_quotes_gpc is off this is a security