PHP remote file inclusion vulnerability in php-inc/log.inc.php in sk.log 0.5.3 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the SKIN_URL parameter.
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.