Directory traversal vulnerability in the Image Browser (com_imagebrowser) 0.1.5 component for Joomla! allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the folder parameter to index.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.