Directory traversal vulnerability in admin/includes/languages/english.php in Zen Cart 1.3.8a, 1.3.8, and earlier, when .htaccess is not supported, allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the _SESSION[language] parameter. NOTE: the vendor disputes this issue, stating "at worst, the use of this vulnerability will reveal some local file paths.
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.