diff --git a/scripts/species_tools.php b/scripts/species_tools.php
index 8dc1108..b092626 100644
--- a/scripts/species_tools.php
+++ b/scripts/species_tools.php
@@ -1,7 +1,7 @@
 <?php
 /* Basic input sanitation */
-$_GET  = filter_input_array(INPUT_GET, FILTER_SANITIZE_STRING)  ?: [];
-$_POST = filter_input_array(INPUT_POST, FILTER_SANITIZE_STRING) ?: [];
+$_GET  = filter_input_array(INPUT_GET, FILTER_SANITIZE_FULL_SPECIAL_CHARS) ?: [];
+$_POST = filter_input_array(INPUT_POST, FILTER_SANITIZE_FULL_SPECIAL_CHARS) ?: [];
 
 require_once __DIR__ . '/common.php';
 ensure_authenticated();