Privacy: More precise checking of user request action names.

Props garrett-eclipse.
Fixes #46536.

Built from https://develop.svn.wordpress.org/trunk@49475


git-svn-id: http://core.svn.wordpress.org/trunk@49234 1a063a9b-81f0-0310-95a4-ce76da25c4cd

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.' ) );
 	}
 

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.