Multiple directory traversal vulnerabilities in LightBlog 9.8, when magic_quotes_gpc is disabled, allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the (1) username parameter to view_member.php, (2) username_post parameter to login.php, and the (3) Lightblog_username cookie parameter to check_user.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.