Directory traversal vulnerability in maincore.php in PHP-Fusion allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the folder_level parameter. NOTE: this issue has been disputed by a reliable third party
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.