diff --git a/packages/block-library/src/navigation-submenu/index.php b/packages/block-library/src/navigation-submenu/index.php
index 97a355faadbc4d..c0fdbfa271cfa4 100644
--- a/packages/block-library/src/navigation-submenu/index.php
+++ b/packages/block-library/src/navigation-submenu/index.php
@@ -163,7 +163,32 @@ function render_block_core_navigation_submenu( $attributes, $content, $block ) {
 			'style' => $style_attribute,
 		)
 	);
-	$html               = '<li ' . $wrapper_attributes . '>';
+
+	$label = '';
+
+	if ( isset( $attributes['label'] ) ) {
+		$label .= wp_kses(
+			$attributes['label'],
+			array(
+				'code'   => array(),
+				'em'     => array(),
+				'img'    => array(
+					'scale' => array(),
+					'class' => array(),
+					'style' => array(),
+					'src'   => array(),
+					'alt'   => array(),
+				),
+				's'      => array(),
+				'span'   => array(
+					'style' => array(),
+				),
+				'strong' => array(),
+			)
+		);
+	}
+
+	$html = '<li ' . $wrapper_attributes . '>';
 
 	// If Submenus open on hover, we render an anchor tag with attributes.
 	// If submenu icons are set to show, we also render a submenu button, so the submenu can be opened on click.
@@ -193,27 +218,7 @@ function render_block_core_navigation_submenu( $attributes, $content, $block ) {
 		$html .= '>';
 		// End appending HTML attributes to anchor tag.
 
-		if ( isset( $attributes['label'] ) ) {
-			$html .= wp_kses(
-				$attributes['label'],
-				array(
-					'code'   => array(),
-					'em'     => array(),
-					'img'    => array(
-						'scale' => array(),
-						'class' => array(),
-						'style' => array(),
-						'src'   => array(),
-						'alt'   => array(),
-					),
-					's'      => array(),
-					'span'   => array(
-						'style' => array(),
-					),
-					'strong' => array(),
-				)
-			);
-		}
+		$html .= $label;
 
 		$html .= '</a>';
 		// End anchor tag content.
@@ -221,36 +226,16 @@ function render_block_core_navigation_submenu( $attributes, $content, $block ) {
 		if ( $show_submenu_indicators ) {
 			// The submenu icon is rendered in a button here
 			// so that there's a clickable elment to open the submenu.
-			$html .= '<button class="wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle" aria-expanded="false">' . block_core_navigation_submenu_render_submenu_icon() . '</button>';
+			$html .= '<button aria-label="' . $label . ' ' . __( 'submenu', 'gutenberg' ) . '" class="wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle" aria-expanded="false">' . block_core_navigation_submenu_render_submenu_icon() . '</button>';
 		}
 	} else {
 		// If menus open on click, we render the parent as a button.
-		$html .= '<button class="wp-block-navigation-item__content wp-block-navigation-submenu__toggle" aria-expanded="false">';
+		$html .= '<button aria-label="' . $label . ' ' . __( 'submenu', 'gutenberg' ) . '" class="wp-block-navigation-item__content wp-block-navigation-submenu__toggle" aria-expanded="false">';
 
 		// Wrap title with span to isolate it from submenu icon.
 		$html .= '<span class="wp-block-navigation-item__label">';
 
-		if ( isset( $attributes['label'] ) ) {
-			$html .= wp_kses(
-				$attributes['label'],
-				array(
-					'code'   => array(),
-					'em'     => array(),
-					'img'    => array(
-						'scale' => array(),
-						'class' => array(),
-						'style' => array(),
-						'src'   => array(),
-						'alt'   => array(),
-					),
-					's'      => array(),
-					'span'   => array(
-						'style' => array(),
-					),
-					'strong' => array(),
-				)
-			);
-		}
+		$html .= $label;
 
 		$html .= '</span>';
 
diff --git a/packages/block-library/src/page-list/index.php b/packages/block-library/src/page-list/index.php
index 9a58d06da7274b..c67f6e6af63950 100644
--- a/packages/block-library/src/page-list/index.php
+++ b/packages/block-library/src/page-list/index.php
@@ -173,24 +173,20 @@ function block_core_page_list_render_nested_page_list( $open_submenus_on_click,
 			}
 		}
 
+		$title = wp_kses( $page['title'], wp_kses_allowed_html( 'post' ) );
+
 		$markup .= '<li class="wp-block-pages-list__item' . $css_class . '"' . $style_attribute . '>';
 
 		if ( isset( $page['children'] ) && $is_navigation_child && $open_submenus_on_click ) {
-			$markup .= '<button class="' . $navigation_child_content_class . ' wp-block-navigation-submenu__toggle" aria-expanded="false">' . wp_kses(
-				$page['title'],
-				wp_kses_allowed_html( 'post' )
-			) . '<span class="wp-block-page-list__submenu-icon wp-block-navigation__submenu-icon"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" role="img" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg></span>' .
+			$markup .= '<button aria-label="' . $title . ' ' . __( 'submenu', 'gutenberg' ) . '" class="' . $navigation_child_content_class . ' wp-block-navigation-submenu__toggle" aria-expanded="false">' . $title . '<span class="wp-block-page-list__submenu-icon wp-block-navigation__submenu-icon"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" role="img" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg></span>' .
 			'</button>';
 		} else {
-			$markup .= '<a class="wp-block-pages-list__item__link' . $navigation_child_content_class . '" href="' . esc_url( $page['link'] ) . '"' . $aria_current . '>' . wp_kses(
-				$page['title'],
-				wp_kses_allowed_html( 'post' )
-			) . '</a>';
+			$markup .= '<a class="wp-block-pages-list__item__link' . $navigation_child_content_class . '" href="' . esc_url( $page['link'] ) . '"' . $aria_current . '>' . $title . '</a>';
 		}
 
 		if ( isset( $page['children'] ) ) {
 			if ( $is_navigation_child && $show_submenu_icons && ! $open_submenus_on_click ) {
-				$markup .= '<button class="wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle" aria-expanded="false">';
+				$markup .= '<button aria-label="' . $title . ' ' . __( 'submenu', 'gutenberg' ) . '" class="wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle" aria-expanded="false">';
 				$markup .= '<span class="wp-block-page-list__submenu-icon wp-block-navigation__submenu-icon"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" role="img" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg></span>';
 				$markup .= '</button>';
 			}