yanyutao0402 ChanCMS Api.js search sql injection

A weakness has been identified in yanyutao0402 ChanCMS up to 3.3.0. Impacted is the function Search of the file app/modules/api/service/Api.js. Executing manipulation of the argument key can lead to sql injection. The attack can be launched remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.