osCommerce Online Merchant 'file_manager.php' Remote Arbitrary File Upload Vulnerability

Summary
Online Merchant module for osCommerce is prone to a remote arbitrary-file- upload vulnerability because it fails to sufficiently sanitize user- supplied input. Attackers can exploit this issue to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation other attacks are also possible. Online Merchant 2.2 is vulnerable other versions may also be affected.
Solution
Delete the file 'file_manager.php' in your 'admin' directory.
References