CVE-2026-84091— SUMIT Payment Gateway for WooCommerce < 4.0.0 - Unauthenticated Payment Confirmation Forgery via bit IPN
Quick assessment
Affected
Unknown SUMIT Payment Gateway for WooCommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Unknown | SUMIT Payment Gateway for WooCommerce | < 4.0.0 |
affected |
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I. Basic Information for CVE-2026-84091
Vulnerability Information
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Vulnerability Title
SUMIT Payment Gateway for WooCommerce < 4.0.0 - Unauthenticated Payment Confirmation Forgery via bit IPN
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Unknown | SUMIT Payment Gateway for WooCommerce | 0 ~ 4.0.0 | - |
|
II. Public POCs for CVE-2026-84091
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-84091 (1)
-
https://wpscan.com/vulnerability/10c7a9bd-eac0-49eb-9238-d7c477312166/ exploit vdb-entry technical-description
Same Patch Batch · Unknown · 2026-09-23 · 57 CVEs total
| CVE-2026-86601 | 6.5 MEDIUM | WP Recipe Maker < 10.8.2 - Unauthenticated Arbitrary Shortcode Execution via Comment Conte |
| CVE-2026-86612 | 5.6 MEDIUM | Ninja Tables < 5.2.17 - Unauthenticated Arbitrary Shortcode Execution via Fluent Forms Dat |
| CVE-2026-87978 | 5.3 MEDIUM | Paymob for WooCommerce < 4.1.14 - Unauthenticated Payment Bypass via Unverified Subscripti |
| CVE-2026-87071 | 5.3 MEDIUM | Forminator Forms < 1.57.2.1 - Unauthenticated Post Meta Injection on Submitted Posts |
| CVE-2026-87070 | 5.3 MEDIUM | Forminator Forms < 1.57.2.1 - Unauthenticated Poll Vote Limit Bypass via IP Spoofing |
| CVE-2026-90950 | 5.3 MEDIUM | Paid Member Subscriptions < 3.1.0 - Unauthenticated reCAPTCHA Bypass via Registration Form |
| CVE-2026-86604 | 4.8 MEDIUM | GTranslate < 5.0.1 - Unauthenticated Arbitrary Shortcode Execution via Email Translation |
| CVE-2026-87848 | 3.7 LOW | MPCX Lightbox 1.2.2 - 1.2.5 - Unauthenticated Non-Public Post Content Disclosure |
| CVE-2026-84741 | The Events Calendar 4.5 - 6.17.4.1 - Unauthenticated Non-Public Venue and Organizer Disclo | |
| CVE-2026-81338 | MasterStudy LMS < 3.7.50 - Subscriber+ Stored HTML Injection via Course Discussions | |
| CVE-2026-84046 | Directorist < 8.9.5 - Subscriber+ SSRF via Avatar URL | |
| CVE-2026-84168 | Easy Hide Login < 1.7 - Login Page Protection Bypass / Hidden URL Disclosure | |
| CVE-2026-84742 | The Events Calendar 6.15.0 - 6.17.4.1 - Contributor+ Content Publication via TEC V1 REST A | |
| CVE-2025-15696 | Real3D Flipbook Lite < 5.4 - Author+ Stored XSS | |
| CVE-2026-84027 | Directorist 8.9.1 - 8.9.4 - Subscriber+ Paid Order and Payment Record Forgery via REST Ord | |
| CVE-2026-84098 | Directorist 3.1.0 - 8.9.4 - Subscriber+ Arbitrary Listing Deletion via remove_listing | |
| CVE-2026-84150 | Directorist < 8.9.5 - Subscriber+ Cross-User Favorites Read and Write via REST Favorites E | |
| CVE-2026-82843 | WP OAuth Server < 6.4.0 - Subscriber+ Cross-User Account Takeover via OIDC ID Token Substi | |
| CVE-2026-81339 | MasterStudy LMS < 3.7.50 - Subscriber+ Quiz Attempt Grade Disclosure via IDOR | |
| CVE-2026-84743 | The Events Calendar 6.15.16.1 - 6.17.4.1 - Contributor+ Event/Venue/Organizer Update, Tras |
Showing top 20 of 57 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: Unknown
-
CVE-2026-90950
Paid Member Subscriptions < 3.1.0 - Unauthenticated reCAPTCH -
CVE-2026-87978
Paymob for WooCommerce < 4.1.14 - Unauthenticated Payment By -
CVE-2026-87848
MPCX Lightbox 1.2.2 - 1.2.5 - Unauthenticated Non-Public Pos -
CVE-2026-87071
Forminator Forms < 1.57.2.1 - Unauthenticated Post Meta Inje -
CVE-2026-86612
Ninja Tables < 5.2.17 - Unauthenticated Arbitrary Shortcode
V. Comments for CVE-2026-84091
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