diff --git a/features/account/customer_account/address_book/preventing_xss_attack_during_updating_address.feature b/features/account/customer_account/address_book/preventing_xss_attack_during_updating_address.feature
new file mode 100644
index 00000000000..db2cc2adc7f
--- /dev/null
+++ b/features/account/customer_account/address_book/preventing_xss_attack_during_updating_address.feature
@@ -0,0 +1,16 @@
+@address_book
+Feature: Preventing a potential XSS attack during updating the address
+    In order to keep my information safe
+    As a Customer
+    I want to be protected against the potential XSS attacks
+
+    Background:
+        Given the store operates on a single channel in "United States"
+        And I am a logged in customer
+        And I have an address "Lucifer Morningstar", "Seaside Fwy", "90802", "Los Angeles", "United States", "Arkansas" in my address book
+        And this address has province '<img """><script>alert("XSS")</script>">'
+
+    @ui @javascript @no-api
+    Scenario: Preventing a potential XSS attack during updating the address
+        When I want to edit the address of "Lucifer Morningstar"
+        Then I should be able to update it without unexpected alert
diff --git a/features/checkout/addressing_order/preventing_xss_attack_during_checkout.feature b/features/checkout/addressing_order/preventing_xss_attack_during_checkout.feature
new file mode 100644
index 00000000000..f8c11316fd4
--- /dev/null
+++ b/features/checkout/addressing_order/preventing_xss_attack_during_checkout.feature
@@ -0,0 +1,21 @@
+@checkout
+Feature: Preventing a potential XSS attack during updating the address in the checkout
+    In order to keep my information safe
+    As a Visitor
+    I want to be protected against the potential XSS attacks
+
+    Background:
+        Given the store operates on a single channel in "United States"
+        And the store has a product "PHP T-Shirt" priced at "$19.99"
+        And the store ships everywhere for Free
+        And I have product "PHP T-Shirt" in the cart
+        And I am at the checkout addressing step
+
+    @ui @javascript @no-api
+    Scenario: Preventing a potential XSS attack during updating the address in the checkout
+        When I specify the email as "john.doe@example.com"
+        And I specify the billing address as "Ankh Morpork", "Frost Alley", "90210", "United States" for "Jon Doe"
+        And I specify the province name manually as '<img """><script>alert("XSS")</script>">' for billing address
+        And I complete the addressing step
+        And I decide to change my address
+        Then I should be able to update the address without unexpected alert
diff --git a/features/product/managing_products/preventing_xss_attack_while_adding_new_product.feature b/features/product/managing_products/preventing_xss_attack_while_adding_new_product.feature
new file mode 100644
index 00000000000..8ab868842a6
--- /dev/null
+++ b/features/product/managing_products/preventing_xss_attack_while_adding_new_product.feature
@@ -0,0 +1,21 @@
+@managing_products
+Feature: Preventing a potential XSS attack while adding a new product
+    In order to keep my information safe
+    As an Administrator
+    I want to be protected against the potential XSS attacks
+
+    Background:
+        Given the store operates on a single channel in "United States"
+        And the store has "<script>alert('xss')</script>" taxonomy
+        And the store has "No XSS" taxonomy
+        And I am logged in as an administrator
+
+    @ui @javascript @no-api
+    Scenario: Preventing a potential XSS attack while adding new product
+        When I want to create a new simple product
+        Then I should be able to name it "No XSS" in "English (United States)"
+
+    @ui @javascript @no-api
+    Scenario: Preventing a potential XSS attack while choosing main taxon for a new product
+        When I want to create a new simple product
+        Then I should be able to choose main taxon "No XSS"
diff --git a/features/product/managing_products/preventing_xss_attack_while_editing_product.feature b/features/product/managing_products/preventing_xss_attack_while_editing_product.feature
new file mode 100644
index 00000000000..2b058d1544e
--- /dev/null
+++ b/features/product/managing_products/preventing_xss_attack_while_editing_product.feature
@@ -0,0 +1,16 @@
+@managing_products
+Feature: Preventing a potential XSS attack while selecting similar product
+    In order to keep my information safe
+    As an Administrator
+    I want to be protected against the potential XSS attacks
+
+    Background:
+        Given the store operates on a single channel in "United States"
+        And the store has a product association type "Accessories"
+        And the store has "<script>alert('xss')</script>" and "LG headphones" products
+        And I am logged in as an administrator
+
+    @ui @javascript @no-api
+    Scenario: Preventing a potential XSS attack while editing product
+        When I want to create a new simple product
+        Then I should be able to associate as "Accessories" the "LG headphones" product
diff --git a/features/taxonomy/managing_taxons/preventing_xss_attack_while_adding_new_taxon.feature b/features/taxonomy/managing_taxons/preventing_xss_attack_while_adding_new_taxon.feature
new file mode 100644
index 00000000000..72f507aad82
--- /dev/null
+++ b/features/taxonomy/managing_taxons/preventing_xss_attack_while_adding_new_taxon.feature
@@ -0,0 +1,16 @@
+@managing_taxons
+Feature: Preventing a potential XSS attack while adding a new taxon
+    In order to keep my information safe
+    As an Administrator
+    I want to be protected against the potential XSS attacks
+
+    Background:
+        Given the store operates on a single channel in "United States"
+        And the store has "Category" taxonomy
+        And the store has "<script>alert('xss')</script>" taxonomy
+        And I am logged in as an administrator
+
+    @ui @javascript @no-api
+    Scenario: Preventing a potential XSS attack while adding new taxon
+        When I want to create a new taxon
+        Then I should be able to change its parent taxon to "Category"
diff --git a/src/Sylius/Behat/Context/Setup/AddressContext.php b/src/Sylius/Behat/Context/Setup/AddressContext.php
index f810565fff7..82c762964d7 100644
--- a/src/Sylius/Behat/Context/Setup/AddressContext.php
+++ b/src/Sylius/Behat/Context/Setup/AddressContext.php
@@ -66,6 +66,19 @@ public function iHaveAnAddressInAddressBook(ShopUserInterface $user, AddressInte
         $customer = $user->getCustomer();
 
         $this->addAddressToCustomer($customer, $address);
+
+        $this->sharedStorage->set('address', $address);
+    }
+
+    /**
+     * @Given this address has province :province
+     */
+    public function thisAddressHasProvince(string $provinceName): void
+    {
+        $address = $this->sharedStorage->get('address');
+        $address->setProvinceName($provinceName);
+
+        $this->customerManager->flush();
     }
 
     /**
diff --git a/src/Sylius/Behat/Context/Ui/Admin/ManagingProductsContext.php b/src/Sylius/Behat/Context/Ui/Admin/ManagingProductsContext.php
index 0c17a02ced6..5a32b027072 100644
--- a/src/Sylius/Behat/Context/Ui/Admin/ManagingProductsContext.php
+++ b/src/Sylius/Behat/Context/Ui/Admin/ManagingProductsContext.php
@@ -88,6 +88,7 @@ public function iSpecifyItsCodeAs($code = null)
      * @When I do not name it
      * @When I name it :name in :language
      * @When I rename it to :name in :language
+     * @When I should be able to name it :name in :language
      */
     public function iRenameItToIn(?string $name = null, ?string $language = null): void
     {
@@ -747,6 +748,7 @@ public function theOptionFieldShouldBeDisabled()
 
     /**
      * @When /^I choose main (taxon "[^"]+")$/
+     * @Then /^I should be able to choose main (taxon "[^"]+")$/
      */
     public function iChooseMainTaxon(TaxonInterface $taxon)
     {
@@ -820,6 +822,7 @@ public function iAttachImageWithType($path, $type = null)
     /**
      * @When I associate as :productAssociationType the :productName product
      * @When I associate as :productAssociationType the :firstProductName and :secondProductName products
+     * @Then I should be able to associate as :productAssociationType the :productName product
      */
     public function iAssociateProductsAsProductAssociation(
         ProductAssociationTypeInterface $productAssociationType,
diff --git a/src/Sylius/Behat/Context/Ui/Admin/ManagingTaxonsContext.php b/src/Sylius/Behat/Context/Ui/Admin/ManagingTaxonsContext.php
index 3a193a15730..3a31e7fda2e 100644
--- a/src/Sylius/Behat/Context/Ui/Admin/ManagingTaxonsContext.php
+++ b/src/Sylius/Behat/Context/Ui/Admin/ManagingTaxonsContext.php
@@ -136,6 +136,7 @@ public function iDescribeItAs($description, $language)
     /**
      * @Given /^I set its (parent taxon to "[^"]+")$/
      * @Given /^I change its (parent taxon to "[^"]+")$/
+     * @Then /^I should be able to change its (parent taxon to "[^"]+")$/
      */
     public function iChangeItsParentTaxonTo(TaxonInterface $taxon)
     {
diff --git a/src/Sylius/Behat/Context/Ui/Shop/AddressBookContext.php b/src/Sylius/Behat/Context/Ui/Shop/AddressBookContext.php
index dd223762044..2b538eead96 100644
--- a/src/Sylius/Behat/Context/Ui/Shop/AddressBookContext.php
+++ b/src/Sylius/Behat/Context/Ui/Shop/AddressBookContext.php
@@ -41,8 +41,9 @@ public function __construct(
 
     /**
      * @Given I am editing the address of :fullName
+     * @When I want to edit the address of :fullName
      */
-    public function iEditAddressOf($fullName)
+    public function iEditAddressOf(string $fullName): void
     {
         $this->sharedStorage->set('full_name', $fullName);
 
@@ -350,6 +351,14 @@ public function addressShouldBeMarkedAsMyDefaultAddress(AddressInterface $addres
         Assert::same($actualFullName, $expectedFullName);
     }
 
+    /**
+     * @Then I should be able to update it without unexpected alert
+     */
+    public function iShouldBeAbleToUpdateItWithoutUnexpectedAlert(): void
+    {
+        $this->addressBookUpdatePage->waitForFormToStopLoading();
+    }
+
     /**
      * @param string $fullName
      *
diff --git a/src/Sylius/Behat/Context/Ui/Shop/Checkout/CheckoutAddressingContext.php b/src/Sylius/Behat/Context/Ui/Shop/Checkout/CheckoutAddressingContext.php
index 05763b94ac0..ee2d9d9f574 100644
--- a/src/Sylius/Behat/Context/Ui/Shop/Checkout/CheckoutAddressingContext.php
+++ b/src/Sylius/Behat/Context/Ui/Shop/Checkout/CheckoutAddressingContext.php
@@ -484,6 +484,14 @@ public function shouldHaveCountriesToChooseFrom(string ...$countries): void
         Assert::same($availableBillingCountries, $countries);
     }
 
+    /**
+     * @Then I should be able to update the address without unexpected alert
+     */
+    public function iShouldBeAbleToUpdateTheAddressWithoutUnexpectedAlert(): void
+    {
+        $this->addressPage->waitForFormToStopLoading();
+    }
+
     /**
      * @return AddressInterface
      */
diff --git a/src/Sylius/Behat/Page/Shop/Account/AddressBook/UpdatePage.php b/src/Sylius/Behat/Page/Shop/Account/AddressBook/UpdatePage.php
index 5cda3d3606f..5308a0f4278 100644
--- a/src/Sylius/Behat/Page/Shop/Account/AddressBook/UpdatePage.php
+++ b/src/Sylius/Behat/Page/Shop/Account/AddressBook/UpdatePage.php
@@ -71,6 +71,11 @@ public function selectCountry(string $name): void
         JQueryHelper::waitForFormToStopLoading($this->getDocument());
     }
 
+    public function waitForFormToStopLoading(): void
+    {
+        JQueryHelper::waitForFormToStopLoading($this->getDocument());
+    }
+
     public function saveChanges(): void
     {
         JQueryHelper::waitForFormToStopLoading($this->getDocument());
diff --git a/src/Sylius/Behat/Page/Shop/Account/AddressBook/UpdatePageInterface.php b/src/Sylius/Behat/Page/Shop/Account/AddressBook/UpdatePageInterface.php
index 336354eca79..5988a1da23f 100644
--- a/src/Sylius/Behat/Page/Shop/Account/AddressBook/UpdatePageInterface.php
+++ b/src/Sylius/Behat/Page/Shop/Account/AddressBook/UpdatePageInterface.php
@@ -29,5 +29,7 @@ public function selectProvince(string $name): void;
 
     public function selectCountry(string $name): void;
 
+    public function waitForFormToStopLoading(): void;
+
     public function saveChanges(): void;
 }
diff --git a/src/Sylius/Behat/Page/Shop/Checkout/AddressPage.php b/src/Sylius/Behat/Page/Shop/Checkout/AddressPage.php
index 89fea14f9f5..26aea7708ed 100644
--- a/src/Sylius/Behat/Page/Shop/Checkout/AddressPage.php
+++ b/src/Sylius/Behat/Page/Shop/Checkout/AddressPage.php
@@ -281,6 +281,11 @@ public function getAvailableBillingCountries(): array
         return $this->getOptionsFromSelect($this->getElement('billing_country'));
     }
 
+    public function waitForFormToStopLoading(): void
+    {
+        JQueryHelper::waitForFormToStopLoading($this->getDocument());
+    }
+
     protected function getDefinedElements(): array
     {
         return array_merge(parent::getDefinedElements(), [
diff --git a/src/Sylius/Behat/Page/Shop/Checkout/AddressPageInterface.php b/src/Sylius/Behat/Page/Shop/Checkout/AddressPageInterface.php
index de0fa8ad7a6..2a787df6f16 100644
--- a/src/Sylius/Behat/Page/Shop/Checkout/AddressPageInterface.php
+++ b/src/Sylius/Behat/Page/Shop/Checkout/AddressPageInterface.php
@@ -81,4 +81,6 @@ public function getAvailableBillingCountries(): array;
     public function isDifferentShippingAddressChecked(): bool;
 
     public function isShippingAddressVisible(): bool;
+
+    public function waitForFormToStopLoading(): void;
 }
diff --git a/src/Sylius/Bundle/AdminBundle/Resources/private/js/sylius-lazy-choice-tree.js b/src/Sylius/Bundle/AdminBundle/Resources/private/js/sylius-lazy-choice-tree.js
index b1f4dd0d27d..18bb2d3a27e 100644
--- a/src/Sylius/Bundle/AdminBundle/Resources/private/js/sylius-lazy-choice-tree.js
+++ b/src/Sylius/Bundle/AdminBundle/Resources/private/js/sylius-lazy-choice-tree.js
@@ -10,6 +10,7 @@
 import 'semantic-ui-css/components/api';
 import 'semantic-ui-css/components/checkbox';
 import $ from 'jquery';
+import { sanitizeInput } from "sylius/ui/sylius-sanitizer";
 
 const createRootContainer = function createRootContainer() {
   return $('<div class="ui list"></div>');
@@ -81,7 +82,7 @@ $.fn.extend({
           onSuccess(response) {
             response.forEach((leafNode) => {
               leafContainerElement.append((
-                createLeafFunc(leafNode.name, leafNode.code, leafNode.hasChildren, multiple, leafNode.level)
+                createLeafFunc(sanitizeInput(leafNode.name), sanitizeInput(leafNode.code), leafNode.hasChildren, multiple, leafNode.level)
               ));
             });
             content.append(leafContainerElement);
@@ -169,7 +170,7 @@ $.fn.extend({
         const rootContainer = createRootContainer();
         response.forEach((rootNode) => {
           rootContainer.append((
-            createLeaf(rootNode.name, rootNode.code, rootNode.hasChildren, multiple, rootNode.level)
+            createLeaf(sanitizeInput(rootNode.name), sanitizeInput(rootNode.code), rootNode.hasChildren, multiple, rootNode.level)
           ));
         });
         tree.append(rootContainer);
diff --git a/src/Sylius/Bundle/ShopBundle/Resources/private/js/sylius-province-field.js b/src/Sylius/Bundle/ShopBundle/Resources/private/js/sylius-province-field.js
index 17b3d350cf0..60983648ab1 100644
--- a/src/Sylius/Bundle/ShopBundle/Resources/private/js/sylius-province-field.js
+++ b/src/Sylius/Bundle/ShopBundle/Resources/private/js/sylius-province-field.js
@@ -8,9 +8,10 @@
  */
 
 import $ from 'jquery';
+import { sanitizeInput } from 'sylius/ui/sylius-sanitizer';
 
 const getProvinceInputValue = function getProvinceInputValue(valueSelector) {
-  return valueSelector == undefined ? '' : `value="${valueSelector}"`;
+  return valueSelector == undefined ? '' : `value="${sanitizeInput(valueSelector)}"`;
 };
 
 $.fn.extend({
diff --git a/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-auto-complete.js b/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-auto-complete.js
index 737c47a55a2..e52a6f42dac 100644
--- a/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-auto-complete.js
+++ b/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-auto-complete.js
@@ -9,6 +9,7 @@
 
 import 'semantic-ui-css/components/dropdown';
 import $ from 'jquery';
+import { sanitizeInput } from "./sylius-sanitizer";
 
 $.fn.extend({
   autoComplete() {
@@ -37,8 +38,8 @@ $.fn.extend({
           },
           onResponse(response) {
             let results = response.map(item => ({
-              name: item[choiceName],
-              value: item[choiceValue],
+              name: sanitizeInput(item[choiceName]),
+              value: sanitizeInput(item[choiceValue]),
             }));
 
             if (!element.hasClass('multiple')) {
@@ -72,7 +73,7 @@ $.fn.extend({
           onSuccess(response) {
             response.forEach((item) => {
               menuElement.append((
-                $(`<div class="item" data-value="${item[choiceValue]}">${item[choiceName]}</div>`)
+                $(`<div class="item" data-value="${item[choiceValue]}">${sanitizeInput(item[choiceName])}</div>`)
               ));
             });
 
diff --git a/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-product-auto-complete.js b/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-product-auto-complete.js
index acbe655ba32..64e34d9bfb3 100644
--- a/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-product-auto-complete.js
+++ b/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-product-auto-complete.js
@@ -9,6 +9,7 @@
 
 import 'semantic-ui-css/components/dropdown';
 import $ from 'jquery';
+import { sanitizeInput } from "./sylius-sanitizer";
 
 $.fn.extend({
   productAutoComplete() {
@@ -38,8 +39,8 @@ $.fn.extend({
           return {
             success: true,
             results: response._embedded.items.map(item => ({
-              name: item.name,
-              value: item.code,
+              name: sanitizeInput(item.name),
+              value: sanitizeInput(item.code),
             })),
           };
         },
diff --git a/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-sanitizer.js b/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-sanitizer.js
new file mode 100644
index 00000000000..f3dd2cd4cfb
--- /dev/null
+++ b/src/Sylius/Bundle/UiBundle/Resources/private/js/sylius-sanitizer.js
@@ -0,0 +1,5 @@
+export function sanitizeInput(input) {
+  const div = document.createElement('div');
+  div.textContent = input;
+  return div.innerHTML; // Converts text content to plain HTML, stripping any scripts
+}