Multiple directory traversal vulnerabilities in PowerPHPBoard 1.00b allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the (1) settings[footer] parameter to footer.inc.php and the (2) settings[header] parameter to header.inc.php.
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.