Multiple directory traversal vulnerabilities in Tikiwiki before 1.9.1 allow remote attackers to read arbitrary files and execute commands via (1) the suck_url parameter to tiki-editpage.php or (2) language parameter to tiki-user_preferences.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.