phpMyFAQ Backdoor Unauthorized Access Vulnerability

Summary
phpMyFAQ is prone to an unauthorized-access vulnerability due to a backdoor in certain versions of the application. Successful exploits allow remote attackers to execute arbitrary PHP code in the context of the affected application. phpMyFAQ 2.6.11 and 2.6.12 obtained between December 4, 1010, and December 15, 2010 are vulnerable.
Solution
Updates are available please see the references for more information.
References