diff --git a/wp-includes/user.php b/wp-includes/user.php
index 0c207116e4..4418381185 100644
--- a/wp-includes/user.php
+++ b/wp-includes/user.php
@@ -3773,7 +3773,7 @@ function wp_create_user_request( $email_address = '', $action_name = '', $reques
 		return new WP_Error( 'invalid_email', __( 'Invalid email address.' ) );
 	}
 
-	if ( ! $action_name ) {
+	if ( ! in_array( $action_name, _wp_privacy_action_request_types(), true ) ) {
 		return new WP_Error( 'invalid_action', __( 'Invalid action name.' ) );
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e748b76699..3ad015f0c1 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-beta2-49474';
+$wp_version = '5.6-beta2-49475';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.