Description
WordPress Plugin Contact Form 7 is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly sanitize user-supplied input. An attacker can exploit this vulnerability 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. WordPress Plugin Contact Form 7 version 3.5.2 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 3.5.3 or latest
References
http://seclists.org/fulldisclosure/2013/Nov/182
http://packetstormsecurity.com/files/124154/WordPress-Contact-Form-7-3.5.2-Shell-Upload.html
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