				data: _.isObject( action ) ? action : _.extend( data || {}, { action: action })
			});
		},

		/**
		 * wp.ajax.send( [action], [options] )
		 *
		 * Sends a POST request to WordPress.
		 *
		 * @param  {string} action  The slug of the action to fire in WordPress.
		 * @param  {object} options The options passed to jQuery.ajax.
		 * @return {$.promise}      A jQuery promise that represents the request,
		 *                          decorated with an abort() method.
		 */
		send: function( action, options ) {
			var promise, deferred;
			if ( _.isObject( action ) ) {
				options = action;
			} else {
				options = options || {};
				options.data = _.extend( options.data || {}, { action: action });
			}

			options = _.defaults( options || {}, {
				type:    'POST',
				url:     wp.ajax.settings.url,
				context: this
			});

			deferred = $.Deferred( function( deferred ) {
				// Transfer success/error callbacks.
				if ( options.success )
					deferred.done( options.success );
				if ( options.error )
					deferred.fail( options.error );

				delete options.success;
				delete options.error;

				// Use with PHP's wp_send_json_success() and wp_send_json_error()
				deferred.jqXHR = $.ajax( options ).done( function( response ) {
					// Treat a response of 1 as successful for backward compatibility with existing handlers.
					if ( response === '1' || response === 1 )
						response = { success: true };

					if ( _.isObject( response ) && ! _.isUndefined( response.success ) )
						deferred[ response.success ? 'resolveWith' : 'rejectWith' ]( this, [response.data] );
					else
						deferred.rejectWith( this, [response] );
				}).fail( function() {
					deferred.rejectWith( this, arguments );
				});
			});

			promise = deferred.promise();
			promise.abort = function() {
				deferred.jqXHR.abort();
				return this;
			};

			return promise;
		}
	};

}(jQuery));
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.