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Big Red SEO – WooCommerce Order Attribution Guard

A lightweight WooCommerce plugin that enforces Order Attribution (Origin & Device) during checkout. Blocks suspicious orders that bypass attribution data and logs pass/fail attempts for Store API, PayPal express flows, and classic checkout.

by Big Red SEO · github.com/bigredseo/bigredseo-woocommerce-order-attribution-guard · website

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/bigredseo/bigredseo-woocommerce-order-attribution-guard/archive/refs/heads/main.zip

Readme

Big Red SEO – WooCommerce Order Attribution Guard

Blocks checkout unless Woo Order Attribution contains both Origin and Device. Prevents spam/invalid orders reaching WooCommerce by gating Store API (Checkout block), PayPal Payments AJAX routes, and classic checkout.

Why this exists

Recent bot activity can hit checkout endpoints directly, bypassing normal flows. This plugin forces valid Woo Order Attribution data to be present before orders can proceed.

Extended info on why this plugin was created

The makers of the plugin "WooCommerce PayPal Payments" faild to issue an update to their plugin to stop the Card Testing Attacks. While other members chimed in to assist others and offer code regarding disable_wc_endpoint and ppc-create-order, no official fix was released and instead, thread comments were all archived by a moderator and the response from the folks at https://wordpress.org/plugins/woocommerce-paypal-payments/ was initially suggested to just disable the plugin until they had a fix, disable guest checkout, or activate 3DS which puts another layer of security by sending purchase codes via mobile etc. None of which are viable solutions.

Features

  • Blocks checkout if Origin or Device Type is missing
  • Works with:
    • Store API (/wc/store/v1/checkout)
    • PayPal Payments express flows (ppc-create-order, ppc-approve-order)
    • Classic checkout (woocommerce_checkout_create_order)
  • Lightweight, no settings required (sane defaults)
  • Extensible via filters
  • Adds order notes when an order is blocked
  • Logs pass/fail attempts (IP, URI, User Agent) in a browser-accessible log file
  • Admin bypass option for testing

Requirements

  • WordPress 6.0+
  • WooCommerce 7.0+
  • Woo Order Attribution enabled (Woo → Settings → Advanced → Features)

Installation

  1. Upload the folder bigredseo-woocommerce-order-attribution-guard/ to /wp-content/plugins/
  2. Activate Big Red SEO – WooCommerce Order Attribution Guard in Plugins
  3. Ensure Woo Order Attribution is enabled in Woo settings

How it works (TL;DR)

On checkout requests, the plugin verifies presence of Origin and Device in Woo Order Attribution payload/cookies. If missing/invalid, it blocks progression and returns a friendly error.

Filters

/**
 * Allow custom logic to decide whether checkout should be blocked.
 * @param bool  $block    Default decision from core checks
 * @param array $context  Request context (route, attribution data, user, etc.)
 */
apply_filters('brseo_wag_should_block_checkout', $block, $context);

Roadmap

  • Optional logging screen in wp-admin

Support

Issues and feature requests: open a GitHub Issue.

License

GPL-3.0-or-later

Read the full README on GitHub →