diff --git a/src/wp-admin/widgets-form-blocks.php b/src/wp-admin/widgets-form-blocks.php
index 80a18f6639..9d8d2d9544 100644
--- a/src/wp-admin/widgets-form-blocks.php
+++ b/src/wp-admin/widgets-form-blocks.php
@@ -56,6 +56,13 @@ wp_enqueue_style( 'wp-edit-widgets' );
 do_action( 'enqueue_block_editor_assets' );
 
 require_once ABSPATH . 'wp-admin/admin-header.php';
+
+/**
+ * Fires before the Widgets administration page content loads.
+ *
+ * @since 3.0.0
+ */
+do_action( 'widgets_admin_page' );
 ?>
 
 <div id="widgets-editor" class="blocks-widgets-container"></div>