A security vulnerability has been detected in Jiusi OA up to 20251102. This affects an unknown function of the file /OfficeServer?isAjaxDownloadTemplate=false of the component OfficeServer Interface. Such manipulation of the argument FileData leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed publicly and may 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: