source: https://www.securityfocus.com/bid/47918/info Andy's PHP Knowledgebase is prone to a vulnerability that lets remote attackers 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. Andy's PHP Knowledgebase 0.95.4 is vulnerable; other versions may also be affected.