Multiple directory traversal vulnerabilities in OpenBiblio before 0.5.2 allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in (1) the page parameter to shared/help.php or (2) the tab parameter to shared/header.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.