create_account.php in osCommerce 2.2 RC 2a allows remote attackers to obtain sensitive information via an invalid dob parameter, which reveals the installation path in an error message.
Multiple directory traversal vulnerabilities in cache.php in osCommerce before 2.2 Milestone 2 060817 allow remote attackers to determine existence of arbitrary files and disclose the installation path via a .. (dot dot) in unspecified parameters in the (1) tep_cache_also_purchased, (2) tep_cache_manufacturers_box, and (3) tep_cache_categories_box functions.
Directory traversal vulnerability in extras/update.php in osCommerce 2.2 allows remote attackers to read arbitrary files via (1) .. sequences or (2) a full pathname in the readme_file parameter.
osCommerce 3.0a5 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by redirect.php.