What the vulnerability does
01Description
The Cryptocurrency Payment Gateway for WooCommerce plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'handle_optin_optout' function in all versions up to, and including, 2.0.25. This makes it possible for unauthenticated attackers to opt in and out of tracking.
Explanation of Vulnerability in Simple Terms
02Summary
The Cryptocurrency Payment Gateway for WooCommerce plugin through version 2.0.25 lacks proper authorization checks on certain functions. An attacker with network access can modify payment-related data without authentication. This affects the integrity of cryptocurrency transactions processed through the plugin.
What an attacker can do
03Attacker Capabilities
Modify payment data or transaction records without logging in.
Potential impact on your site
04Site Impact
Attackers can alter cryptocurrency payment records, potentially causing transaction disputes or financial loss.
Conditions required to exploit
05Prerequisites
Network access to the site; no authentication or user interaction required.
Key dates
06Disclosure timeline
November 18, 2025
CVE published
April 8, 2026
Record updated