diff --git a/includes/html/pages/search.inc.php b/includes/html/pages/search.inc.php
index c918ee9f00..842327246f 100644
--- a/includes/html/pages/search.inc.php
+++ b/includes/html/pages/search.inc.php
@@ -46,5 +46,5 @@ print_optionbar_end();
 if (file_exists("includes/html/pages/search/$search_type.inc.php")) {
     include "includes/html/pages/search/$search_type.inc.php";
 } else {
-    echo report_this("Unknown search type $search_type");
+    echo report_this('Unknown search type ' . htmlspecialchars($search_type));
 }
diff --git a/includes/html/pages/search/ipv4.inc.php b/includes/html/pages/search/ipv4.inc.php
index 4222aac96a..7704a9e379 100644
--- a/includes/html/pages/search/ipv4.inc.php
+++ b/includes/html/pages/search/ipv4.inc.php
@@ -85,8 +85,8 @@ if ($_POST['interface'] == 'Vlan%') {
             id: "address-search",
             search_type: "ipv4",
             device_id: '<?php echo htmlspecialchars($_POST['device_id']); ?>',
-            interface: '<?php echo $_POST['interface']; ?>',
-            address: '<?php echo $_POST['address']; ?>'
+            interface: '<?php echo htmlspecialchars($_POST['interface']); ?>',
+            address: '<?php echo htmlspecialchars($_POST['address']); ?>'
         };
     },
     url: "ajax_table.php",