A vulnerability classified as critical has been found in diyhi bbs up to 6.8. This affects the function getUrl of the file /admin/login of the component HTTP Header Handler. The manipulation of the argument Host leads to server-side request forgery. It is possible to initiate the attack 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.