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CVE-2026-103299EUVD-2026-109622GHSA-3FMH-H32Q-9JJR

nexi Alpha Bank for WooCommerce <= 2.2.0 - Unauthenticated Payment Confirmation Forgery via Empty Shared Secret

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

The nexi Alpha Bank for WooCommerce plugin, a WordPress payment gateway add-on for WooCommerce stores, is affected. An unauthenticated attacker could forge payment confirmation notifications to mark orders as paid when the shared secret was never configured, and could also push pending orders into a failed state.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

The Payment Gateway WordPress plugin through 2.2.0 does not ensure a shared secret is configured before using it to authenticate the bank's payment-notification callback, allowing unauthenticated attackers to forge a valid notification and mark any WooCommerce order as paid on installs where the secret has not been set, and the same callback lets them move any pending order to a failed state whether or not the secret is configured.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • Unknown Payment Gateway

    through 2.2.0

References 1

wpscan.com