extras/ipn_test_return.php in Zen Cart allows remote attackers to obtain sensitive information via a direct request, which reveals the installation path in an error message.

The installation for Zen Cart stores sensitive information and insecure programs under the (1) docs, (2) extras, and (3) zc_install folders, and (4) install.txt, which allows remote attackers to obtain sensitive information, delete the database, and conduct other attacks via a direct request, different vulnerabilities than CVE-2009-4321 and CVE-2009-4322.