diff --git a/core/modules/image/src/Plugin/Field/FieldWidget/ImageWidget.php b/core/modules/image/src/Plugin/Field/FieldWidget/ImageWidget.php
index 16160b25c6..b94620f4b9 100644
--- a/core/modules/image/src/Plugin/Field/FieldWidget/ImageWidget.php
+++ b/core/modules/image/src/Plugin/Field/FieldWidget/ImageWidget.php
@@ -194,6 +194,11 @@ public function formElement(FieldItemListInterface $items, $delta, array $elemen
    * This method is assigned as a #process callback in formElement() method.
    */
   public static function process($element, FormStateInterface $form_state, $form) {
+    if (count($element['#files']) > 1) {
+      // In the case of a multiple upload, skip the processing, since it will be
+      // processing later at the appropriate stage.
+      return parent::process($element, $form_state, $form);
+    }
     $item = $element['#value'];
     $item['fids'] = $element['fids']['#value'];
 
diff --git a/core/modules/image/tests/src/Functional/ImageFieldWidgetMultipleTest.php b/core/modules/image/tests/src/Functional/ImageFieldWidgetMultipleTest.php
new file mode 100644
index 0000000000..77c7129c80
--- /dev/null
+++ b/core/modules/image/tests/src/Functional/ImageFieldWidgetMultipleTest.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace Drupal\Tests\image\Functional;
+
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\node\Entity\Node;
+use Drupal\Tests\BrowserTestBase;
+use Drupal\Tests\image\Kernel\ImageFieldCreationTrait;
+use Drupal\Tests\TestFileCreationTrait;
+
+/**
+ * Tests the image field widget support multiple upload correctly.
+ *
+ * @group image
+ */
+class ImageFieldWidgetMultipleTest extends BrowserTestBase {
+
+  use ImageFieldCreationTrait;
+  use TestFileCreationTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'node',
+    'field_ui',
+    'image',
+  ];
+
+  /**
+   * Tests image widget element support multiple upload correctly.
+   */
+  public function testWidgetElementMultipleUploads() {
+    $image_factory = \Drupal::service('image.factory');
+    $file_system = \Drupal::service('file_system');
+
+    $this->drupalCreateContentType(['type' => 'article', 'name' => 'Article']);
+    $field_name = 'images';
+    $storage_settings = ['cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED];
+    $field_settings = ['alt_field_required' => 0];
+    $this->createImageField($field_name, 'article', $storage_settings, $field_settings);
+    $this->drupalLogin($this->drupalCreateUser(['access content', 'create article content']));
+    $this->drupalGet('node/add/article');
+
+    $images = $this->getTestFiles('image');
+    $images = array_slice($images, 0, 5);
+
+    $paths = [];
+    foreach ($images as $image) {
+      $paths[] = $file_system->realpath($image->uri);
+    }
+
+    // @todo: Replace after https://www.drupal.org/project/drupal/issues/2917885
+    $submit_xpath = $this->assertSession()->buttonExists('Save')->getXpath();
+    $client = $this->getSession()->getDriver()->getClient();
+    $form = $client->getCrawler()->filterXPath($submit_xpath)->form();
+    $values = ['title' => [['value' => 'Test']]] + $form->getPhpValues();
+    $files = [];
+    foreach ($paths as $i => $path) {
+      $files['files']['images_0'][$i] = $path;
+    }
+    $client->request($form->getMethod(), $form->getUri(), $values, $files);
+
+    $node = Node::load(1);
+    foreach ($paths as $delta => $path) {
+      $node_image = $node->{$field_name}[$delta];
+      $original_image = $image_factory->get($path);
+      $this->assertEquals($node_image->width, $original_image->getWidth(), "Correct width of image #$delta");
+      $this->assertEquals($node_image->height, $original_image->getHeight(), "Correct height of image #$delta");
+    }
+  }
+
+}
diff --git a/core/modules/image/tests/src/FunctionalJavascript/ImageFieldWidgetMultipleTest.php b/core/modules/image/tests/src/FunctionalJavascript/ImageFieldWidgetMultipleTest.php
new file mode 100644
index 0000000000..90f44d24ce
--- /dev/null
+++ b/core/modules/image/tests/src/FunctionalJavascript/ImageFieldWidgetMultipleTest.php
@@ -0,0 +1,104 @@
+<?php
+
+namespace Drupal\Tests\image\FunctionalJavascript;
+
+use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\FunctionalJavascriptTests\DrupalSelenium2Driver;
+use Drupal\FunctionalJavascriptTests\JavascriptTestBase;
+use Drupal\node\Entity\Node;
+use Drupal\Tests\image\Kernel\ImageFieldCreationTrait;
+use Drupal\Tests\TestFileCreationTrait;
+
+/**
+ * Tests the image field widget support multiple upload correctly.
+ *
+ * @group image
+ */
+class ImageFieldWidgetMultipleTest extends JavascriptTestBase {
+
+  use ImageFieldCreationTrait;
+  use TestFileCreationTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $minkDefaultDriverClass = DrupalSelenium2Driver::class;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'node',
+    'field_ui',
+    'image',
+    'image_field_repair',
+  ];
+
+  /**
+   * Tests image widget element support multiple upload correctly.
+   */
+  public function testWidgetElementMultipleUploads() {
+    $image_factory = \Drupal::service('image.factory');
+    $file_system = \Drupal::service('file_system');
+
+    $this->drupalCreateContentType(['type' => 'article', 'name' => 'Article']);
+    $field_name = 'images';
+    $storage_settings = ['cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED];
+    $field_settings = ['alt_field_required' => 0];
+    $this->createImageField($field_name, 'article', $storage_settings, $field_settings);
+    $this->drupalLogin($this->drupalCreateUser(['access content', 'create article content']));
+    $this->drupalGet('node/add/article');
+    $this->xpath('//input[@name="title[0][value]"]')[0]->setValue('Test');
+
+    $images = $this->getTestFiles('image');
+    $images = array_slice($images, 0, 5);
+
+    $paths = [];
+    foreach ($images as $image) {
+      $paths[] = $file_system->realpath($image->uri);
+    }
+
+    $remote_paths = [];
+    foreach ($paths as $path) {
+      $remote_paths[] = $this->uploadFileRemotePath($path);
+    }
+
+    $multiple_field = $this->xpath('//input[@multiple]')[0];
+    $multiple_field->setValue(implode("\n", $remote_paths));
+    $this->assertSession()->waitForElementVisible('css', '[data-drupal-selector="edit-images-4-preview"]');
+    $this->getSession()->getPage()->findButton('Save')->click();
+
+    $node = Node::load(1);
+    foreach ($paths as $delta => $path) {
+      $node_image = $node->{$field_name}[$delta];
+      $original_image = $image_factory->get($path);
+      $this->assertEquals($node_image->width, $original_image->getWidth(), "Correct width of image #$delta");
+      $this->assertEquals($node_image->height, $original_image->getHeight(), "Correct height of image #$delta");
+    }
+  }
+
+  /**
+   * Uploads a file to the Selenium instance for get remote path.
+   *
+   * Copied from \Behat\Mink\Driver\Selenium2Driver::uploadFile().
+   *
+   * @param string $path
+   *   The path to the file to upload.
+   *
+   * @return string
+   *   The remote path.
+   *
+   * @todo: Remove after https://www.drupal.org/project/drupal/issues/2947517.
+   */
+  protected function uploadFileRemotePath($path) {
+    $tempFilename = tempnam('', 'WebDriverZip');
+    $archive = new \ZipArchive();
+    $archive->open($tempFilename, \ZipArchive::CREATE);
+    $archive->addFile($path, basename($path));
+    $archive->close();
+    $remotePath = $this->getSession()->getDriver()->getWebDriverSession()->file(['file' => base64_encode(file_get_contents($tempFilename))]);
+    unlink($tempFilename);
+    return $remotePath;
+  }
+
+}