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.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18299
http://marc.info/?l=bugtraq&m=110181288820226&w=2
Source: Mitre, NVD
Published: 2005-01-10
Updated: 2026-06-16
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
EPSS: 0.00336