diff --git a/composer.json b/composer.json
index 61f4c50..65b8189 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "simpay/simpay-wordpress",
-    "version": "2.2.2",
+    "version": "2.2.3",
     "type": "library",
     "require": {
         "simpaypl/simpay": "^2.2"
diff --git a/readme.txt b/readme.txt
index 3b01aa8..a5fa78f 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,8 +3,8 @@ Contributors: darkgl
 Donate link: https://darkgl.pl/
 Tags: simpay, payments, directbiling, sms
 Requires at least: 6.0
-Tested up to: 6.3.1
-Stable tag: 2.2.2
+Tested up to: 6.6.1
+Stable tag: 2.2.3
 Requires PHP: 8.1
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
diff --git a/simpay-wordpress.php b/simpay-wordpress.php
index 6868f7a..c1ccb99 100644
--- a/simpay-wordpress.php
+++ b/simpay-wordpress.php
@@ -4,7 +4,7 @@
  * Plugin Name:       SimPay Wordpress
  * Plugin URI:        https://simpay.pl
  * Description:       Use SimPay SMS service to use during registration or access to the post.
- * Version:           2.2.2
+ * Version:           2.2.3
  * Author:            SimPay
  * Author URI:        https://simpay.pl
  * License:           GPL-2.0+
diff --git a/view/public/paywall/access-denied-alert.php b/view/public/paywall/access-denied-alert.php
index 9a0ea14..432c550 100644
--- a/view/public/paywall/access-denied-alert.php
+++ b/view/public/paywall/access-denied-alert.php
@@ -1,3 +1,7 @@
+<?php if (!defined('ABSPATH')) {
+    exit;
+} ?>
+
 <div class="simpay-alert-paywall">
     <h2>Dziękujemy za zainteresowanie!</h2>
     <p>Dostęp do treści na tej stronie jest zarezerwowany tylko dla płatnych użytkowników.</p>
diff --git a/view/public/register/register-form.php b/view/public/register/register-form.php
index 752753a..3cfa9ae 100644
--- a/view/public/register/register-form.php
+++ b/view/public/register/register-form.php
@@ -1,3 +1,7 @@
+<?php if (!defined('ABSPATH')) {
+    exit;
+} ?>
+
 <p class="message">
     Aby się zarejestrować, wyślij SMS <br>na numer
     <strong><?php echo $smsNumber; ?></strong><br>