Directory traversal vulnerability in assets/captcha/includes/alikon/playcode.php in the InterJoomla ArtForms (com_artforms) component 2.1b7.2 RC2 for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the l parameter.
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.