osCommerce is prone to an arbitrary-file-upload vulnerability because it fails to adequately sanitize user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and execute it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible.
Input passed to the IP parameter in mw_plugin.php is not properly sanitised before being used to include files. This can be exploited to include arbitrary files from local and remote resources via directory traversal attacks and URL-encoded NULL bytes. The vulnerable version is 1.2.3 and below.
FCKeditor is prone to an arbitrary-file-upload vulnerability because it fails to adequately sanitize user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and execute it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible.