Path Traversal in admin/imagepaster/operations.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to delete any folder on the w…

Path Traversal in admin/imagepaster/operations.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to delete any folder on the webserver using a dot-dot-slash sequence (../) via the GET parameter crdir, when the GET parameter action is set to df, causing a Denial of Service.