CVE-2026-84091

Description

The SUMIT Payment Gateway for WooCommerce WordPress plugin before 4.0.0 does not verify with the payment provider that a payment notification is genuine before marking the corresponding order as paid, allowing unauthenticated users to mark a pending order paid without completing payment.

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-287 Improper Authentication
Reserved: 2026-09-01
Published: 2026-09-23 12:08 UTC
Last updated: 2026-09-23 12:38 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/84xxx/CVE-2026-84091.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: 2026-09-23 13:17:30 UTC
NVD last modified: 2026-09-23 13:17:30 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

NVD-assigned CWE(s): CWE-287 (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-2026-85265
Assigner: WPScan
Published: Sep 23, 2026, 12:08:59 PM
Updated: Sep 23, 2026, 12:38:20 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: 0.0000
Vendors: Unknown
Products: SUMIT Payment Gateway for WooCommerce (0 <4.0.0)
Aliases: GHSA-5gpw-3mxh-8583

ENISA description: The SUMIT Payment Gateway for WooCommerce WordPress plugin before 4.0.0 does not verify with the payment provider that a payment notification is genuine before marking the corresponding order as paid, allowing unauthenticated users to mark a pending order paid without completing payment.

EUVD references (1)

https://wpscan.com/vulnerability/10c7a9bd-eac0-49eb-9238-d7c477312166/

Affected products (1)

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

Vendor references (1)

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

https://wpscan.com/vulnerability/10c7a9bd-eac0-49eb-9238-d7c477312166/ 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/10c7a9bd-eac0-49eb-9238-d7c477312166/ contact@wpscan.com

Remediations (10)

Mitigate RedSun Zero-Day Without A Patch | Qualys

web:blog.qualys.com

Key Takeaways RedSun is a critical zero-day vulnerability in Microsoft Defender that allows low-privileged users to gain SYSTEM access No patch is currently available, leaving all Defender-enabled Windows systems potentially exposed Qualys VMDR detects affected assets instantly (QID 92382) TruRisk™ Eliminate enables immediate mitigation , removing exploitability without waiting for a fix ...

2026-09-24 11:49 UTC
Microsoft Defender Exploited: How to Check Your Version and Patch Now ...

web:computerworks.io

Two actively exploited Microsoft Defender flaws — CVE - 2026 -41091 and CVE - 2026 -45498 — are now on CISA's KEV list. Learn the exact steps to verify your patch status and protect your Windows devices today.

2026-09-24 11:49 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.

2026-09-24 11:49 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.

2026-09-24 11:49 UTC
Microsoft Defender CVE-2026-41091 & CVE-2026-45498

web:thecyberexpress.com

Microsoft confirms active exploitation of CVE - 2026 -41091 and CVE - 2026 -45498 in Defender, with CVSS-rated risks, KEV listing, and urgent patches issued.

2026-09-24 11:49 UTC
CVE-2026-41091 and CVE-2026-45498: Microsoft Defender Flaws Actively ...

web:vulert.com

Microsoft warns that two Defender vulnerabilities, CVE - 2026 -41091 and CVE - 2026 -45498, are actively exploited. Learn impact, fixed versions, update steps, and how Vulert can help.

2026-09-24 11:49 UTC
Fix CVE-2026-41091: Defender Engine EoP & v1.1.26040.8

web:windowsforum.com

Microsoft disclosed CVE - 2026 -41091 on May 20, 2026 , as a high-severity Microsoft Defender elevation-of-privilege flaw in the Microsoft Malware Protection Engine, fixed in engine version 1.1.26040.8 after affecting version 1.1.26030.3008 and earlier.

2026-09-24 11:49 UTC
Critical Patches Issued for Microsoft Products, September 8, 2026

web:www.cisecurity.org

<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

2026-09-24 11:49 UTC
CVE-2026-41091: Microsoft Defender Privilege Escalation Flaw

web:www.sentinelone.com

CVE - 2026 -41091 is a privilege escalation vulnerability in Microsoft Defender. Learn about its impact, affected versions, and mitigation methods.

2026-09-24 11:49 UTC
Patch Tuesday September 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's September 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-09-24 11:49 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-84091.json.

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