Directory traversal vulnerability in index.php in the RWCards (com_rwcards) component 3.0.18 for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the controller parameter.
Directory traversal vulnerability in captcha/captcha_image.php in the RWCards (com_rwcards) 3.0.11 component for Joomla!, when magic_quotes_gpc is disabled, allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the img parameter.