Vulnerability · Published Sep 21, 2026 · Assigned by WPScan

CVE-2026-92400Payment Gateway for PayPal on WooCommerce < 9.2.1 - Unauthenticated Payment Bypass via Sandbox IPN Environment Confusion

Medium 5.3

In plain English

A medium-severity insufficient verification of data authenticity in Payment Gateway for PayPal on WooCommerce from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.2%top 94.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The Payment Gateway for PayPal on WooCommerce WordPress plugin before 9.2.1 does not verify that an incoming payment notification was confirmed in the store's configured payment environment or paid to the store's own merchant account before marking an order complete, allowing unauthenticated users to mark their own orders as paid using a genuine transaction from a payment sandbox they control.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Payment Gateway for PayPal on WooCommerce	0 – before 9.2.1

Weakness: CWE-345 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

https://wpscan.com/vulnerability/3dcee743-a95d-4233-b78e-8449a6cc8aea/ exploit, vdb-entry, technical-description