Is there a public PoC exploit available for EUVD-2026-109621?

Yes, a public proof-of-concept exploit is available for EUVD-2026-109621. Prioritise patching immediately.

Opay Payment Gateway For Woocommerce EUVD-2026-109621

| CVE-2026-103319

2026-10-26 WPScan

WordPress Information Disclosure Opay Payment Gateway For Woocommerce

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This Week Schedule remediation this week. Why: No CVSS yet + EPSS > 10% or public POC.

No patch listed yet

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AnalysisCVE.org

The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider, as the secret used to validate their signature is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid, cancelled or failed.

Affected VersionsENISA

OPay Payment Gateway for WooCommerce 0 ≤2.5.5

Affected Packages

euvd opay_payment_gateway_for_woocommerce no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Exploit and PoC references, threat intelligence from 22 sources

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Threat Intelligence Overview

Exploit

POC

Public exploit code exists

Social Media

Sightings

Data Quality

2 sources

Confidence: Low

EUVD

CVE.org CIRCL

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity Not scored yet

CISA KEV No

Public POC Yes

EPSS N/A

Patch available No

Active threat No

Deciding rule

No CVSS yet + EPSS > 10% or public POC

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: 0

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.