VULNERABILITY INTELLIGENCE
CVE-2026-16990
CVSS score5.3 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-08-12
Last modified2026-08-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Description
The Payment Button for PayPal WordPress plugin through 1.2.3.44 does not enforce the merchant-configured price server-side and trusts a client-supplied payment amount, allowing unauthenticated attackers to create a real PayPal order against the merchant for an arbitrary lower amount.