A security vulnerability has been detected in yanyutao0402 ChanCMS 3.3.0. The affected element is the function CollectController of the file /cms/collect/getArticle. The manipulation of the argument taskUrl leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.