osCommerce Phoenix CE before 1.0.5.4 allows OS command injection remotely. Within admin/mail.php, a from POST parameter can be passed to the application. This affects the PHP mail function, and the sendmail -f option.
Directory traversal vulnerability in osCommerce Japanese 2.2ms1j-R8 and earlier allows remote authenticated administrators to read arbitrary files via unspecified vectors.
Cross-site scripting (XSS) vulnerability in the tep_href_link function in html_output.php for osCommerce before 2.2-MS3 allows remote attackers to inject arbitrary web script or HTML via the osCsid parameter.