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OpenAdvisories
Medium · 5.3 CVE-2026-83533 EUVD-2026-70046GHSA-rr9j-x6q5-q5pf

WP Express Checkout < 2.4.9 - Unauthenticated Payment Bypass via wpec_process_payment

Published Sep 2, 2026 · Updated Sep 2, 2026 · Assigned by WPScan

Description

The WP Express Checkout WordPress plugin before 2.4.9 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying.

Affected products

VendorProductAffectedFixed
— WP Express Checkout < 2.4.9 2.4.9

References