A vulnerability was found in thinkgem JeeSite up to 5.11.1. It has been rated as critical. Affected by this issue is the function ResourceLoader.getResource of the file /cms/fileTemplate/form of the component URI Scheme Handler. The manipulation of the argument Name leads to server-side request forgery. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
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.