Multiple directory traversal vulnerabilities in CyBoards PHP Lite 1.21 allow remote attackers to include and execute arbitrary local files via directory traversal sequences in the (1) script_path parameter to (a) options.php and the (2) lang_code parameter to (b) copy_vip.php and (c) process_edit_board.php in adminopts/. NOTE: some of these vectors might not be vulnerabilities under proper installation.
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.