diff --git a/wp-includes/class-wp-block.php b/wp-includes/class-wp-block.php
index 80757baabce..9f58a5fe45d 100644
--- a/wp-includes/class-wp-block.php
+++ b/wp-includes/class-wp-block.php
@@ -376,7 +376,7 @@ private function replace_html( string $block_content, string $attribute_name, $s
 				) ) {
 					return $block_content;
 				}
-				$amended_content->set_attribute( $block_type->attributes[ $attribute_name ]['attribute'], esc_attr( $source_value ) );
+				$amended_content->set_attribute( $block_type->attributes[ $attribute_name ]['attribute'], $source_value );
 				return $amended_content->get_updated_html();
 				break;
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e9d9085807e..27bd66fe80d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.5-alpha-57560';
+$wp_version = '6.5-alpha-57561';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.