kalcaddle kodbox Download from Link serverDownload server-side request forgery

A vulnerability was found in kalcaddle kodbox 1.61. Affected by this vulnerability is an unknown functionality of the file /?explorer/upload/serverDownload of the component Download from Link Handler. Performing manipulation of the argument url results in server-side request forgery. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.