phpMyFAQ 2.6.11 and 2.6.12, as distributed between December 4th and December 15th 2010, contains an externally introduced modification (Trojan Horse) in the getTopTen method in inc/Faq.php, which allows remote attackers to execute arbitrary PHP code.
Improper Control of Generation of Code The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.