CVE-2026-92400

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.

Overview

State: PUBLISHED
Assigner (CNA): WPScan
CVSS severity: MEDIUM
CVSS score: 5.3 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Effective score: 5.3 / 10 MEDIUM source: CNA overview
CWE(s): CWE-345 Insufficient Verification of Data Authenticity
Reserved: 2026-09-16
Published: 2026-09-21 08:51 UTC
Last updated: 2026-09-21 14:30 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/92xxx/CVE-2026-92400.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-09-21 09:17:06 UTC
NVD last modified: 2026-09-21 15:17:35 UTC
NVD CVSS v3.1: 5.3 / 10 MEDIUM source: contact@wpscan.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Exploitability subscore: 3.9 / 10
Impact subscore: 1.4 / 10
EPSS score: 0.0011 (probability of exploitation in next 30 days)
EPSS percentile: 1.72% vs all CVEs — higher = more likely to be exploited, as of 2026-09-21

NVD-assigned CWE(s): CWE-345 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-83870
Assigner: WPScan
Published: Sep 21, 2026, 8:51:53 AM
Updated: Sep 21, 2026, 2:30:56 PM
EUVD base score (CVSS 3.1): 5.3 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EUVD-reported EPSS: 0.1100
Vendors: Unknown
Products: Payment Gateway for PayPal on WooCommerce (0 <9.2.1)
Aliases: GHSA-p33j-7gxx-7v4f

ENISA 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.

EUVD references (1)

https://wpscan.com/vulnerability/3dcee743-a95d-4233-b78e-8449a6cc8aea/

Affected products (1)

Vendor	Product	Versions	Platforms
Unknown	Payment Gateway for PayPal on WooCommerce	`0` (affected)	—

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://wpscan.com/vulnerability/3dcee743-a95d-4233-b78e-8449a6cc8aea/ exploitvdb-entrytechnical-description

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://wpscan.com/vulnerability/3dcee743-a95d-4233-b78e-8449a6cc8aea/ contact@wpscan.com

Remediations (10)

CVE-2026-92400 - Vulnerability Details - OpenCVE

web:app.opencve.io

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.

2026-09-22 17:08 UTC
CVE-2026-92400: PayPal Vulnerability (CVSS 5.3) | CVETodo

web:cvetodo.com

CVE-2026-92400 is a CVSS 5.3 medium-severity vulnerability in PayPal products. Full technical analysis, mitigations , and exploit status — updated in real time.

2026-09-22 17:08 UTC
Security Update Guide - Microsoft

web:msrc.microsoft.com

The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.

2026-09-22 17:08 UTC
Cisco Advance Notification for Publication of September 16, 2026 ...

web:sec.cloudapps.cisco.com

On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...

2026-09-22 17:08 UTC
CVE-2026-92400 : Payment Notification Verification Flaw in WooCommerce ...

web:securityvulnerability.io

What is CVE-2026-92400 ? The WooCommerce PayPal Payment Gateway plugin for WordPress contains a vulnerability where it fails to validate incoming payment notifications properly. Specifically, prior to version 9.2.1, the plugin does not confirm that a payment notification is associated with the store's own merchant account before marking an order as complete. This oversight enables ...

2026-09-22 17:08 UTC
Microsoft Patch Tracker (September 2026): Exploit-Ranked | Senserva

web:senserva.com

Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.

2026-09-22 17:08 UTC
CVE-2026-92400 Payment Gateway for PayPal on WooCommerce - vulners.com

web:vulners.com

CVE-2026-92400 Payment Gateway for PayPal on WooCommerce < 9.2.1 - Unauthenticated Payment Bypass via Sandbox IPN Environment Confusion 🗓️ 21 Sep 2026 01:51:53 Reported by WPScan Type cvelist 🔗 www. cve .org 👁 5 Views

2026-09-22 17:08 UTC
National Vulnerability Database | NIST

web:www.nist.gov

NIST maintains the National Vulnerability Database (NVD), a repository of information on software and hardware flaws that can compromise computer security. This is a key piece of the nation's cybersecurity infrastructure.

2026-09-22 17:08 UTC
Oracle Critical Patch Update Advisory - April 2026

web:www.oracle.com

This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

2026-09-22 17:08 UTC
Oracle Critical Patch Update Advisory - July 2026

web:www.oracle.com

This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.

2026-09-22 17:08 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-92400.json.

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