A vulnerability was identified in SiempreCMS up to 1.3.6. This vulnerability affects unknown code of the file /docs/admin/file_upload.php. Such manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit is publicly available and might be used.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: