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Vulnerabilities

CVE-2026-16621 | BDVDB-2026-358213 Detail

Payment Gateway for PayPal on WooCommerce

Description#

The Payment Gateway for PayPal on WooCommerce WordPress plugin before 9.2.1 does not verify that payment actually succeeded before completing an order in its PayPal return handler: it reads attacker-controlled parameters, performs no amount comparison and no order-ownership check, and completes the order even when the server-side gateway verification fails, allowing an unauthenticated attacker to mark arbitrary orders as paid without paying.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

  • CWE-345 Insufficient Verification of Data Authenticity

References#

Exploit#

History#

  1. Version 1Record published in the CVE List.