CVE-2026-16990
Medium · 5.3CVSS
5.3
EPSS
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Published
Aug 12, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|