Absolute path traversal vulnerability in controlcenter.php in FlatnuX CMS 2011 08.09.2 allows remote administrators to read arbitrary files via a full pathname in the dir parameter in a contents/Files action.
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.