diff --git a/core/modules/media/src/Controller/MediaFilterController.php b/core/modules/media/src/Controller/MediaFilterController.php
index 59c263e1bc..f5e36d704c 100644
--- a/core/modules/media/src/Controller/MediaFilterController.php
+++ b/core/modules/media/src/Controller/MediaFilterController.php
@@ -5,6 +5,7 @@
 use Drupal\Core\Access\AccessResult;
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
 use Drupal\Core\Entity\ContentEntityStorageInterface;
+use Drupal\Core\Entity\EntityRepositoryInterface;
 use Drupal\Core\Render\RendererInterface;
 use Drupal\filter\FilterFormatInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
@@ -36,6 +37,13 @@ class MediaFilterController implements ContainerInjectionInterface {
    */
   protected $mediaStorage;
 
+  /**
+   * The entity repository.
+   *
+   * @var \Drupal\Core\Entity\EntityRepositoryInterface
+   */
+  protected $entityRepository;
+
   /**
    * Constructs an MediaFilterController instance.
    *
@@ -43,10 +51,13 @@ class MediaFilterController implements ContainerInjectionInterface {
    *   The renderer service.
    * @param \Drupal\Core\Entity\ContentEntityStorageInterface
    *   The media storage.
+   * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
+   *   The entity repository.
    */
-  public function __construct(RendererInterface $renderer, ContentEntityStorageInterface $media_storage) {
+  public function __construct(RendererInterface $renderer, ContentEntityStorageInterface $media_storage, EntityRepositoryInterface $entity_repository) {
     $this->renderer = $renderer;
     $this->mediaStorage = $media_storage;
+    $this->entityRepository = $entity_repository;
   }
 
   /**
@@ -55,7 +66,8 @@ public function __construct(RendererInterface $renderer, ContentEntityStorageInt
   public static function create(ContainerInterface $container) {
     return new static(
       $container->get('renderer'),
-      $container->get('entity_type.manager')->getStorage('media')
+      $container->get('entity_type.manager')->getStorage('media'),
+      $container->get('entity.repository')
     );
   }
 
@@ -96,10 +108,13 @@ public function preview(Request $request, FilterFormatInterface $filter_format)
     // Use the bubbled cache tags to determine which media was rendered (if any)
     // so we can embed the label in the response, for use in an ARIA label.
     $headers = [];
-    $media_cache_tags = array_filter($build['#cache']['tags'], function ($t) { return strpos($t, 'media:') === 0;});
+    $media_cache_tags = array_filter($build['#cache']['tags'], function ($t) {
+      return strpos($t, 'media:') === 0;
+    });
     if (!empty($media_cache_tags)) {
       $embedded_media_id = substr(reset($media_cache_tags), 6);
-      $headers['Drupal-Media-Label'] = $this->mediaStorage->load($embedded_media_id)->label();
+      $media = $this->mediaStorage->load($embedded_media_id);
+      $headers['Drupal-Media-Label'] = $this->entityRepository->getTranslationFromContext($media)->label();
     }
 
     // Note that we intentionally do not use:
diff --git a/core/modules/media/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php b/core/modules/media/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php
index 5bd2990e40..85dc82f9df 100644
--- a/core/modules/media/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php
+++ b/core/modules/media/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php
@@ -275,6 +275,8 @@ public function testEditableCaption() {
     $this->assignNameToCkeditorIframe();
     $this->getSession()->switchToIFrame('ckeditor');
     $this->assertNotEmpty($assert_session->waitForButton('Edit media'));
+    // Test `aria-label` attribute appears on the widget wrapper.
+    $assert_session->elementExists('css', '.cke_widget_drupalmedia[aria-label="Screaming hairy armadillo"]');
     $assert_session->elementContains('css', 'figcaption', '');
     $assert_session->elementAttributeContains('css', 'figcaption', 'data-placeholder', 'Enter caption here');
     // Test if you leave the caption blank, but change another attribute,
@@ -464,6 +466,8 @@ public function testDialogAccess() {
     $this->assignNameToCkeditorIframe();
     $this->getSession()->switchToIFrame('ckeditor');
     $this->assertNotEmpty($assert_session->waitForElementVisible('css', 'drupal-media', 2000));
+    // Test `aria-label` attribute appears on the widget wrapper.
+    $assert_session->elementExists('css', '.cke_widget_drupalmedia[aria-label="Screaming hairy armadillo"]');
     $page->pressButton('Edit media');
     $this->waitForMetadataDialog();
     $assert_session->fieldNotExists('attributes[alt]');
@@ -624,6 +628,8 @@ public function testAlt() {
     // Assert that the img within the media embed within the CKEditor contains
     // the overridden alt text set in the dialog.
     $this->assertNotEmpty($assert_session->waitForElementVisible('css', 'drupal-media img[alt*="' . $who_is_zartan . '"]'));
+    // Test `aria-label` attribute appears on the widget wrapper.
+    $assert_session->elementExists('css', '.cke_widget_drupalmedia[aria-label="Screaming hairy armadillo"]');
 
     // Test that the downcast drupal-media element now has the alt attribute
     // entered in the dialog.
@@ -758,6 +764,8 @@ public function testTranslationAlt() {
 
     // Test that the default alt attribute displays without an override.
     $this->assertNotEmpty($assert_session->waitForElementVisible('xpath', '//img[contains(@alt, "texte alternatif par défaut")]'));
+    // Test `aria-label` attribute appears on the widget wrapper.
+    $assert_session->elementExists('css', '.cke_widget_drupalmedia[aria-label="Tatou poilu hurlant"]');
     $page->pressButton('Edit media');
     $this->waitForMetadataDialog();
     // Assert that the placeholder is set to the value of the media field's
@@ -1137,6 +1145,7 @@ public function testViewMode() {
     $this->assignNameToCkeditorIframe();
     $this->getSession()->switchToIFrame('ckeditor');
     $this->assertNotEmpty($assert_session->waitForElementVisible('css', 'drupal-media'));
+    $assert_session->elementExists('css', '.cke_widget_drupalmedia[aria-label="Screaming hairy armadillo"]');
     $page->pressButton('Edit media');
     $this->waitForMetadataDialog();
     $assert_session->optionExists('attributes[data-view-mode]', 'view_mode_1');