--- a/wp/wp-includes/blocks/page-list.php	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/blocks/page-list.php	Fri Sep 05 18:52:52 2025 +0200
@@ -192,7 +192,9 @@
 			$css_class .= ' menu-item-home';
 		}
 
-		$title      = wp_kses_post( $page['title'] );
+		$title = wp_kses_post( $page['title'] );
+		$title = $title ? $title : __( '(no title)' );
+
 		$aria_label = sprintf(
 			/* translators: Accessibility text. %s: Parent page title. */
 			__( '%s submenu' ),