diff --git a/wp-includes/blocks/latest-posts.php b/wp-includes/blocks/latest-posts.php
index b8fc02cf80..f1b3c78b5c 100644
--- a/wp-includes/blocks/latest-posts.php
+++ b/wp-includes/blocks/latest-posts.php
@@ -53,11 +53,16 @@ function render_block_core_latest_posts( $attributes ) {
 		if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent']
 			&& isset( $attributes['displayPostContentRadio'] ) && 'excerpt' === $attributes['displayPostContentRadio'] ) {
 			$post_excerpt = $post->post_excerpt;
+
 			if ( ! ( $post_excerpt ) ) {
 				$post_excerpt = $post->post_content;
 			}
 			$trimmed_excerpt = esc_html( wp_trim_words( $post_excerpt, $excerpt_length, ' … ' ) );
 
+			if ( post_password_required( $post ) ) {
+				$trimmed_excerpt = __( 'This content is password protected.' );
+			}
+
 			$list_items_markup .= sprintf(
 				'<div class="wp-block-latest-posts__post-excerpt">%1$s',
 				$trimmed_excerpt
@@ -78,9 +83,16 @@ function render_block_core_latest_posts( $attributes ) {
 
 		if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent']
 			&& isset( $attributes['displayPostContentRadio'] ) && 'full_post' === $attributes['displayPostContentRadio'] ) {
+
+			$post_content = wp_kses_post( html_entity_decode( $post->post_content, ENT_QUOTES, get_option( 'blog_charset' ) ) );
+
+			if ( post_password_required( $post ) ) {
+				$post_content = __( 'This content is password protected.' );
+			}
+
 			$list_items_markup .= sprintf(
 				'<div class="wp-block-latest-posts__post-full-content">%1$s</div>',
-				wp_kses_post( html_entity_decode( $post->post_content, ENT_QUOTES, get_option( 'blog_charset' ) ) )
+				$post_content
 			);
 		}