A vulnerability, which was classified as critical, was found in codelyfe Stupid Simple CMS up to 1.2.3. This affects an unknown part of the file /terminal/handle-command.php of the component HTTP POST Request Handler. The manipulation of the argument command with the input whoami leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-248259.