Unrestricted file upload vulnerability in saa.php in Andy's PHP Knowledgebase (aphpkb) 0.92.9 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a link that is listed by authors.php.
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.