CVE-2012-2991: Oscommerce Online Merchant

Medium severity, CVSS 5.0. EPSS: 1.1% chance of exploitation in the next 30 days.

The PayPal (aka MODULE_PAYMENT_PAYPAL_STANDARD) module before 1.1 in osCommerce Online Merchant before 2.3.4 allows remote attackers to set the payment recipient via a modified value of the merchant's e-mail address, as demonstrated by setting the recipient to one's self.

Affected products

• Oscommerce Online Merchant: up to and including 2.3.3; version 2.3.0 only; version 2.3.1 only; version 2.3.2 only
• PayPal Website Payments Standard Module: up to and including 1.0

Published 2012-09-19. Last modified 2026-06-16.