diff --git a/src/wp-admin/includes/dashboard.php b/src/wp-admin/includes/dashboard.php
index b198325f27cd8..91f77507d1728 100644
--- a/src/wp-admin/includes/dashboard.php
+++ b/src/wp-admin/includes/dashboard.php
@@ -603,6 +603,19 @@ function wp_dashboard_quick_press( $error_msg = false ) {
 			<input type="hidden" name="action" id="quickpost-action" value="post-quickdraft-save" />
 			<input type="hidden" name="post_ID" value="<?php echo $post_ID; ?>" />
 			<input type="hidden" name="post_type" value="post" />
+			<?php
+			if ( current_theme_supports( 'post-formats' ) && post_type_supports( 'post', 'post-formats' ) && get_option( 'default_post_format' ) ) {
+				/**
+				* Filters the post format for quick draft posts.
+				*
+				* @since 6.9.0
+				*
+				* @param string $post_format The post format to use. Default is the site's default post format.
+				*/
+				$post_format = apply_filters( 'quick_draft_post_format', get_option( 'default_post_format' ) );
+				echo '<input type="hidden" name="post_format" value="' . esc_attr( $post_format ) . '" />';
+			}
+			?>
 			<?php wp_nonce_field( 'add-post' ); ?>
 			<?php submit_button( __( 'Save Draft' ), 'primary', 'save', false, array( 'id' => 'save-post' ) ); ?>
 			<br class="clear" />
diff --git a/tests/e2e/specs/dashboard.test.js b/tests/e2e/specs/dashboard.test.js
index 90459ac83ae6f..43eb09072d3dc 100644
--- a/tests/e2e/specs/dashboard.test.js
+++ b/tests/e2e/specs/dashboard.test.js
@@ -8,10 +8,16 @@ test.describe( 'Quick Draft', () => {
 		await requestUtils.deleteAllPosts();
 	} );
 
-	test( 'Allows draft to be created with Title and Content', async ( {
+	test( 'Allows draft to be created with Title and Content and check default post format', async ( {
 	   admin,
-	   page
+	   page,
+	   requestUtils
 	} ) => {
+		// First set the default post format to Quote.
+		await admin.visitAdminPage( 'options-writing.php' );
+		await page.selectOption( '#default_post_format', 'quote' );
+		await page.getByRole( 'button', { name: 'Save Changes' } ).click();
+
 		await admin.visitAdminPage( '/' );
 
 		// Wait for Quick Draft title field to appear.
@@ -37,6 +43,17 @@ test.describe( 'Quick Draft', () => {
 			page.locator( '.drafts .draft-title' ).first().getByRole( 'link' )
 		).toHaveText( 'Test Draft Title' );
 
+		// Get the post ID from the URL of the first draft.
+		const draftLink = page.locator( '.drafts .draft-title' ).first().getByRole( 'link' );
+		const draftUrl = await draftLink.getAttribute( 'href' );
+		const draftId = draftUrl.match( /post=(\d+)/ )[ 1 ];
+
+		// Verify the post format is set to quote using the REST API.
+		const response = await requestUtils.rest( {
+			path: `/wp/v2/posts/${draftId}`,
+		} );
+		expect( response.format ).toBe( 'quote' );
+
 		// Check that new draft appears in Posts page
 		await admin.visitAdminPage( '/edit.php' );
 
diff --git a/tests/phpunit/tests/admin/includesDashboard.php b/tests/phpunit/tests/admin/includesDashboard.php
new file mode 100644
index 0000000000000..9753dc0b05ccb
--- /dev/null
+++ b/tests/phpunit/tests/admin/includesDashboard.php
@@ -0,0 +1,62 @@
+<?php
+/**
+ * Tests for admin dashboard functionality.
+ *
+ * @group admin
+ * @group dashboard
+ *
+ * @package Tests\Admin
+ */
+
+/**
+ * Class Tests_Admin_IncludesDashboard
+ */
+class Tests_Admin_IncludesDashboard extends WP_UnitTestCase {
+
+	/**
+	 * Set up the test environment with the dashboard functions.
+	 */
+	public function set_up() {
+		parent::set_up();
+
+		if ( ! function_exists( 'wp_dashboard_quick_press' ) ) {
+			require_once ABSPATH . 'wp-admin/includes/dashboard.php';
+		}
+	}
+
+	/**
+	 * Tear down the test environment:
+	 * Delete last post id option to avoid collisions with other tests.
+	 */
+	public function tear_down() {
+		delete_user_option( get_current_user_id(), 'dashboard_quick_press_last_post_id' );
+		parent::tear_down();
+	}
+
+	/**
+	 * Test that wp_dashboard_quick_press includes default post format hidden field.
+	 *
+	 * @ticket 42910
+	 * @covers ::wp_dashboard_quick_press
+	 */
+	public function test_wp_dashboard_quick_press_default_post_format_applied_to_draft() {
+		$user_id = self::factory()->user->create( array( 'role' => 'editor' ) );
+		wp_set_current_user( $user_id );
+
+		add_theme_support( 'post-formats', array( 'aside', 'gallery', 'quote' ) );
+		update_option( 'default_post_format', 'quote' );
+
+		set_current_screen( 'dashboard' );
+
+		ob_start();
+		wp_dashboard_quick_press();
+		$output = ob_get_clean();
+
+		$this->assertStringContainsString( 'name="post_format"', $output );
+		$this->assertStringContainsString( 'value="quote"', $output );
+
+		// Clean up or there will be a collision with other tests.
+		delete_option( 'default_post_format' );
+		remove_theme_support( 'post-formats' );
+	}
+}