CVE-2026-16990

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CVSS 3.1

5.3 medium

EPSS

<1%p9

Published

Aug 12, 2026 (Aug 12, 2026)

Modified

Aug 26, 2026

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.

Ecosystems: WordPress
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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