secure requests; refs #893

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

api.php

@@ -1,4 +1,6 @@
 <?php
+use voku\helper\AntiXSS;
+
 require __DIR__ . '/vendor/autoload.php';
 
 require \Froxlor\Froxlor::getInstallDir() . '/lib/tables.inc.php';
@@ -30,6 +32,12 @@ if (is_null($decoded_request)) {
 	json_response(400, "Invalid JSON");
 }
 
+/**
+ * check for xss attempts and clean request
+ */
+$antiXss = new AntiXSS();
+$request = $antiXss->xss_clean($request);
+
 // validate content
 try {
 	$decoded_request = stripcslashes_deep($decoded_request);