Directory traversal vulnerability in ADMIN/login.php in NetArtMEDIA WebSiteAdmin allows remote emote attackers to include and execute arbitrary local files via directory traversal sequences in the lng parameter.
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.