diff --git a/Model/Checks/HasActiveSavedCreditCards.php b/Model/Checks/HasActiveSavedCreditCards.php
new file mode 100644
index 0000000..b1723d6
--- /dev/null
+++ b/Model/Checks/HasActiveSavedCreditCards.php
@@ -0,0 +1,92 @@
+<?php
+/**
+ * TNW_Stripe extension
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the OSL 3.0 License
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/osl-3.0.php
+ *
+ * @category  TNW
+ * @package   TNW_Stripe
+ * @copyright Copyright (c) 2017-2022
+ * @license   Open Software License (OSL 3.0)
+ */
+namespace TNW\Stripe\Model\Checks;
+
+use DateTimeZone;
+use Magento\Framework\Intl\DateTimeFactory;
+use Magento\Payment\Model\Checks\SpecificationInterface;
+use Magento\Payment\Model\MethodInterface;
+use Magento\Quote\Model\Quote;
+use Magento\Vault\Api\Data\PaymentTokenInterface;
+use Magento\Vault\Model\ResourceModel\PaymentToken\Collection;
+use TNW\Stripe\Model\Ui\ConfigProvider;
+
+/**
+ * Model class for customer's saved credit cards presence check.
+ */
+class HasActiveSavedCreditCards implements SpecificationInterface
+{
+    /**
+     * @var Collection
+     */
+    private $paymentTokenCollection;
+
+    /**
+     * @var DateTimeFactory
+     */
+    private $dateTimeFactory;
+
+    /**
+     * @param Collection $paymentTokenCollection
+     * @param DateTimeFactory $dateTimeFactory
+     */
+    public function __construct(
+        Collection $paymentTokenCollection,
+        DateTimeFactory $dateTimeFactory
+    ) {
+        $this->paymentTokenCollection = $paymentTokenCollection;
+        $this->dateTimeFactory = $dateTimeFactory;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function isApplicable(MethodInterface $paymentMethod, Quote $quote)
+    {
+        if ($paymentMethod->getCode() !== ConfigProvider::CC_VAULT_CODE) {
+            return true;
+        }
+
+        $customerId = $quote->getCustomerId();
+
+        return $customerId !== null && $this->hasActiveSavedCards($customerId);
+    }
+
+    /**
+     * Checks if customer has active saved credit cards.
+     *
+     * @param int $customerId
+     * @return bool
+     */
+    private function hasActiveSavedCards($customerId)
+    {
+        $this->paymentTokenCollection->addFilter(PaymentTokenInterface::CUSTOMER_ID, $customerId);
+        $this->paymentTokenCollection
+            ->addFilter(PaymentTokenInterface::PAYMENT_METHOD_CODE, ConfigProvider::CODE);
+        $this->paymentTokenCollection->addFilter(PaymentTokenInterface::IS_ACTIVE, 1);
+        $this->paymentTokenCollection->addFilter(PaymentTokenInterface::IS_VISIBLE, 1);
+        $this->paymentTokenCollection->addFieldToFilter(
+            PaymentTokenInterface::EXPIRES_AT,
+            [
+                'gt' => $this->dateTimeFactory->create(
+                    'now',
+                    new DateTimeZone('UTC')
+                )->format('Y-m-d 00:00:00')
+            ]
+        );
+        return $this->paymentTokenCollection->count() > 0;
+    }
+}
diff --git a/Model/CreatePaymentIntent.php b/Model/CreatePaymentIntent.php
index a7d2650..70c7203 100644
--- a/Model/CreatePaymentIntent.php
+++ b/Model/CreatePaymentIntent.php
@@ -15,7 +15,15 @@
  */
 namespace TNW\Stripe\Model;
 
+use Magento\Customer\Api\CustomerRepositoryInterface;
+use Magento\Framework\Exception\InputException;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\Exception\State\InputMismatchException;
+use Magento\Quote\Model\Quote;
 use Magento\Vault\Api\PaymentTokenManagementInterface;
+use Stripe\Exception\ApiErrorException;
+use Stripe\PaymentIntent;
 use TNW\Stripe\Helper\Payment\Formatter;
 use TNW\Stripe\Model\Adapter\StripeAdapterFactory;
 use TNW\Stripe\Helper\Customer as CustomerHelper;
@@ -64,40 +72,56 @@ class CreatePaymentIntent
      */
     private $vaultTokenProcessor;
 
+    /**
+     * @var CustomerRepositoryInterface
+     */
+    private $customerRepository;
+
     /**
      * @param StripeAdapterFactory $adapterFactory
      * @param CustomerHelper $customerHelper
      * @param UrlInterface $url
      * @param PaymentTokenManagementInterface $tokenManagement
      * @param VaultTokenProcessor $vaultTokenProcessor
+     * @param CustomerRepositoryInterface $customerRepository
      */
     public function __construct(
         StripeAdapterFactory $adapterFactory,
         CustomerHelper $customerHelper,
         UrlInterface $url,
         PaymentTokenManagementInterface $tokenManagement,
-        VaultTokenProcessor $vaultTokenProcessor
+        VaultTokenProcessor $vaultTokenProcessor,
+        CustomerRepositoryInterface $customerRepository
     ) {
         $this->vaultTokenProcessor = $vaultTokenProcessor;
         $this->url = $url;
         $this->adapterFactory = $adapterFactory;
         $this->customerHelper = $customerHelper;
         $this->tokenManagement = $tokenManagement;
+        $this->customerRepository = $customerRepository;
     }
 
     /**
      * @param $data
-     * @param \Magento\Quote\Model\Quote $quote
+     * @param Quote $quote
      * @param bool $isLoggedIn
-     * @return \Stripe\PaymentIntent
-     * @throws \Magento\Framework\Exception\InputException
-     * @throws \Magento\Framework\Exception\LocalizedException
-     * @throws \Magento\Framework\Exception\NoSuchEntityException
-     * @throws \Magento\Framework\Exception\State\InputMismatchException
-     * @throws \Stripe\Exception\ApiErrorException
+     * @return PaymentIntent
+     * @throws LocalizedException
+     * @throws InputException
+     * @throws NoSuchEntityException
+     * @throws InputMismatchException
+     * @throws ApiErrorException
      */
     public function getPaymentIntent($data, $quote, $isLoggedIn = false)
     {
+        $customer = $quote->getCustomer();
+        if (!$customer->getId() && $quote->getCustomerEmail()
+            && $this->isExistingCustomerEmail($quote->getCustomerEmail(), $customer->getWebsiteId())
+        ) {
+            throw new LocalizedException(
+                __('A customer with the same email address already exists in an associated website.')
+            );
+        }
         $stripeAdapter = $this->adapterFactory->create();
         if (property_exists($data, 'public_hash')) {
             $customerId = $quote->getCustomer()->getId();
@@ -116,7 +140,7 @@ public function getPaymentIntent($data, $quote, $isLoggedIn = false)
             'payment_method' => $payment,
             'metadata' => ['site' => $this->url->getBaseUrl()]
         ];
-        $email = $quote->getBillingAddress()->getEmail();
+        $email = $quote->getCustomerEmail();
         if (!$isLoggedIn) {
             $attributes['description'] = 'guest';
         }
@@ -149,4 +173,22 @@ public function getPaymentIntent($data, $quote, $isLoggedIn = false)
         }
         return $stripeAdapter->createPaymentIntent($params);
     }
+
+    /**
+     * Checks if customer with given email exists
+     *
+     * @param string $email
+     * @param int|null $websiteId
+     * @return bool
+     * @throws LocalizedException
+     */
+    public function isExistingCustomerEmail($email, $websiteId = null)
+    {
+        try {
+            $this->customerRepository->get($email, $websiteId);
+            return true;
+        } catch (NoSuchEntityException $e) {
+            return false;
+        }
+    }
 }
diff --git a/composer.json b/composer.json
index 7bbe60a..5ed1b0d 100755
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "tnw/module-stripe",
   "description": "Stripe Payments for Magento 2",
   "type": "magento2-module",
-  "version": "2.3.11",
+  "version": "2.3.12",
   "license": "OSL-3.0",
   "require": {
     "magento/framework": ">100",
diff --git a/etc/csp_whitelist.xml b/etc/csp_whitelist.xml
new file mode 100644
index 0000000..3c8e67f
--- /dev/null
+++ b/etc/csp_whitelist.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<csp_whitelist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Csp:etc/csp_whitelist.xsd">
+    <policies>
+        <policy id="script-src">
+            <values>
+                <value id="stripe" type="host">https://*.stripe.com</value>
+            </values>
+        </policy>
+        <policy id="frame-src">
+            <values>
+                <value id="stripe" type="host">https://*.stripe.com</value>
+            </values>
+        </policy>
+    </policies>
+</csp_whitelist>
diff --git a/etc/di.xml b/etc/di.xml
index 21a24f0..2264ad0 100755
--- a/etc/di.xml
+++ b/etc/di.xml
@@ -393,4 +393,20 @@
                 type="TNW\Stripe\Plugin\Quote\Api\CartManagement"
                 sortOrder="1"/>
     </type>
+
+    <type name="Magento\Payment\Model\Checks\SpecificationFactory">
+        <arguments>
+            <argument name="mapping" xsi:type="array">
+                <item name="has_saved_credit_cards" xsi:type="object">TNW\Stripe\Model\Checks\HasActiveSavedCreditCards</item>
+            </argument>
+        </arguments>
+    </type>
+
+    <type name="Magento\Payment\Block\Form\Container">
+        <arguments>
+            <argument name="additionalChecks" xsi:type="array">
+                <item name="0" xsi:type="string">has_saved_credit_cards</item>
+            </argument>
+        </arguments>
+    </type>
 </config>
diff --git a/view/adminhtml/web/js/stripe.js b/view/adminhtml/web/js/stripe.js
index 897aa64..7a983e4 100644
--- a/view/adminhtml/web/js/stripe.js
+++ b/view/adminhtml/web/js/stripe.js
@@ -176,6 +176,7 @@ define([
                 }.bind(this), 1000)
             }
             this.$selector.on('submitOrder.tnw_stripe', this.submitOrder.bind(this));
+            this.$selector.on('beforeSubmitOrder', this.beforeSubmitOrder.bind(this));
         },
 
         /**
@@ -184,12 +185,26 @@ define([
         disableEventListeners: function () {
             this.$selector.off('submitOrder');
             this.$selector.off('submit');
+            this.$selector.off('beforeSubmitOrder');
+        },
+
+        /**
+         * Event handler for 'beforeSubmitOrder' event
+         * @param event
+         */
+        beforeSubmitOrder: function (event) {
+            if (this.active() && (this.getPaymentMethodToken() || this.isCreatingPaymentIntent || this.isSubmitting)) {
+                // Cancel order submission if payment intent is already created
+                event.result = false;
+                this.$selector.trigger('processStop');
+            }
         },
 
         /**
          * Trigger order submit
          */
         submitOrder: function () {
+            this.isSubmitting = true;
             var self = this;
             this.$selector.validate().form();
             this.$selector.trigger('afterValidate.beforeSubmit');
@@ -250,6 +265,9 @@ define([
                 self.error('Something went wrong')
                 $('body').trigger('processStop');
             })
+            .always(function () {
+                self.isSubmitting = false;
+            });
         },
 
         /**
@@ -279,6 +297,7 @@ define([
          * @returns {jQuery.Deferred}
          */
         createPaymentIntent: function () {
+            this.isCreatingPaymentIntent = true;
             var self = this,
                 dfd = $.Deferred();
             if ($("#tnw_stripe_vault").length) {
@@ -294,6 +313,8 @@ define([
                 } else {
                     dfd.resolve(response);
                 }
+            }).always(function () {
+                self.isCreatingPaymentIntent = false;
             });
             return dfd;
         },
@@ -335,6 +356,14 @@ define([
             $('#' + this.container).find('#' + this.code + '_cc_token').val(token);
         },
 
+        /**
+         * Get payment method token
+         * @return {string}
+         */
+        getPaymentMethodToken: function () {
+            return $('#' + this.container).find('#' + this.code + '_cc_token').val();
+        },
+
         /**
          * Set card 3DS flag
          * @param threedsactive
diff --git a/view/adminhtml/web/js/vault.js b/view/adminhtml/web/js/vault.js
index 2fd05e5..beeab71 100644
--- a/view/adminhtml/web/js/vault.js
+++ b/view/adminhtml/web/js/vault.js
@@ -168,6 +168,7 @@ define([
             }).done(function (response) {
                 if (response.skip_3ds) {
                     $('body').trigger('processStop');
+                    self.setPaymentDetails(response.paymentIntent.id);
                     self.placeOrder();
                     return;
                 }