diff --git a/wp-includes/version.php b/wp-includes/version.php
index b7d1f5341f..6fc08c63b2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0.3-alpha-54534';
+$wp_version = '6.0.3-alpha-54535';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/wp-trackback.php b/wp-trackback.php
index 7da8cdd16f..945918ac3c 100644
--- a/wp-trackback.php
+++ b/wp-trackback.php
@@ -13,6 +13,9 @@ if ( empty( $wp ) ) {
 	wp( array( 'tb' => '1' ) );
 }
 
+// Always run as an unauthenticated user.
+wp_set_current_user( 0 );
+
 /**
  * Response to a trackback.
  *