Ticket #48046: 48046.patch

src/wp-includes/class-wp-xmlrpc-server.php

@@ -732 +732 @@
          * @return bool if `$args` contains at least $count arguments.
          */
         protected function minimum_args( $args, $count ) {
-                if ( count( $args ) < $count ) {
+                if ( count( (array)$args ) < $count ) {
                         $this->error = new IXR_Error( 400, __( 'Insufficient arguments passed to this XML-RPC method.' ) );
                         return false;
                 }