FreeWebshop 'ajax_save_name.php' Remote Code Execution Vulnerability

Summary
FreeWebshop is prone to a remote code-execution vulnerability because the application fails to sufficiently sanitize user-supplied input. Exploiting this issue will allow attackers to execute arbitrary code within the context of the affected application. FreeWebshop 2.2.9 R2 is vulnerable prior versions may also be affected.
References