CVE-2004-1209: Verisign Payflow Link

Medium severity, CVSS 5.0. EPSS: 1% chance of exploitation in the next 30 days.

Verisign Payflow Link, when running with empty Accepted URL fields, does not properly verify the data in the hidden AMOUNT field, which allows remote attackers to modify the price of the items that they purchase.

Affected products

• Verisign Payflow Link: any version

Published 2005-01-10. Last modified 2026-06-16.