The PayPal Website Payments Standard functionality in the Ubercart module 5.x before 5.x-1.9 and 6.x before 6.x-2.1 for Drupal does not properly validate orders, which allows remote attackers to trigger unspecified "duplicate actions" via unknown vectors.

Unspecified vulnerability in the PayPal Website Payments Standard functionality in the Ubercart module 5.x before 5.x-1.9 and 6.x before 6.x-2.1 for Drupal, when a custom checkout completion message is enabled, allows attackers to obtain sensitive information via unknown vectors.

Cross-site request forgery (CSRF) vulnerability in the order-management functionality in the Ubercart module 5.x before 5.x-1.9 and 6.x before 6.x-2.1 for Drupal allows remote attackers to hijack the authentication of unspecified victims via unknown vectors.

The PayPal module in Ubercart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

The Authorize.Net module in Ubercart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

The CyberSource module in Ubercart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Cross-site scripting (XSS) vulnerability in Views in the Ubercart module 7.x-3.x before 7.x-3.4 for Drupal allows remote attackers to inject arbitrary web script or HTML via the full name field.

Session fixation vulnerability in the Ubercart module 6.x-2.x before 6.x-2.13 and 7.x-3.x before 7.x-3.6 for Drupal, when the "Log in new customers after checkout" option is enabled, allows remote attackers to hijack web sessions by leveraging knowledge of the original session ID.

The Ubercart module 7.x-3.x before 7.x-3.7 for Drupal does not properly protect the per-user order history view, which allows remote authenticated users with the "view own orders" permission to obtain sensitive information via unspecified vectors.