diff --git a/Register.php b/Register.php
index 08e42c2054b8a3ae22888096f578d5853e7d445d..0525fc70d6b5d51f39d49fb73f3c5f80269baf33 100644
--- a/Register.php
+++ b/Register.php
@@ -21,23 +21,23 @@ $message = NULL;
 
 
 if (isset($_POST['user_name'])) {
-    $provided_user_name = $_POST['user_name'];
+    $provided_user_name = htmlspecialchars($_POST['user_name']);
 }
 
 if (isset($_POST['email'])) {
-    $provided_email = $_POST['email'];
+    $provided_email = htmlspecialchars($_POST['email']);
 }
 
 if (isset($_POST['password'])) {
-    $provided_password = $_POST['password'];
+    $provided_password = htmlspecialchars($_POST['password']);
 }
 
 if (isset($_POST['age'])) {
-    $provided_age = $_POST['age'];
+    $provided_age = htmlspecialchars($_POST['age']);
 }
 
 if (isset($_POST['bio'])) {
-    $provided_bio = $_POST['bio'];
+    $provided_bio = htmlspecialchars($_POST['bio']);
 }
 
 $allfildsOk = (