Directory traversal vulnerability in PHPList 2.10.2 and earlier allows remote attackers to include arbitrary local files via the (1) GLOBALS[database_module] or (2) GLOBALS[language_module] parameters, which overwrite the underlying $GLOBALS variable.
Improper Limitation of a Pathname to a Restricted Directory The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.