PHP remote file inclusion vulnerability in lib/head_auth.php in GROUP-E 1.6.41 allows remote attackers to execute arbitrary PHP code via a URL in the CFG[PREPEND_FILE] 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.