yanyutao0402 ChanCMS getPages server-side request forgery

A vulnerability was found in yanyutao0402 ChanCMS up to 3.1.2. It has been rated as critical. Affected by this issue is the function getPages of the file /cms/collect/getPages. The manipulation of the argument targetUrl leads to server-side request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.3 is able to address this issue. It is recommended to upgrade the affected component.