Name: CVE-2026-90987: External Control of Assumed-Immutable Web Parameter
Creator: Rapid7
Published: 2026-10-02T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-90987, CWE-472, CVSS 5.3, EPSS 0.00236

The Easy PayPal & Stripe Buy Now Button WordPress plugin before 2.0.6 does not derive the payment amount on the server, taking it from a client-supplied field, so an unauthenticated attacker sets an arbitrary lower price for a purchase.

CVSS Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Wp Ecommerce Paypal Plugin	—	Update wp-ecommerce-paypal plugin to version 2.0.6, or a newer patched version	Oct 30, 2026	Sep 28, 2026

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CVSS Details

Covered by Rapid7

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