	wp.updates._addCallbacks = function( data, action ) {
		if ( 'import' === pagenow && 'install-plugin' === action ) {
			data.success = wp.updates.installImporterSuccess;
			data.error   = wp.updates.installImporterError;
		}

		return data;
	};
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.