Description
WordPress Plugin W3 Total Cache is prone to a vulnerability that lets remote attackers inject and execute arbitrary code because the application fails to sanitize user-supplied input. Attackers can exploit this issue to execute arbitrary PHP code within the context of the affected webserver process. WordPress Plugin W3 Total Cache version 0.9.2.8 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 0.9.2.9 or latest
References
https://wordpress.org/support/topic/pwn3d
http://blog.futtta.be/2013/04/18/wp-caching-plugin-vulnerability-debrief/
http://packetstormsecurity.com/files/121454/Wordpress-W3-Total-Cache-PHP-Code-Execution.html
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