The PeachPay — Payments & Express Checkout for WooCommerce (supports Stripe, PayPal, Square, Authorize.net, NMI) WordPress plugin before 1.120.70 does not perform any capability or ownership check before returning an order's secret key in response to an unauthenticated request, allowing anyone to retrieve the key for any paid order and use it to view that order's customer name, email address, postal address and contents.

The PeachPay — Payments & Express Checkout for WooCommerce (supports Stripe, PayPal, Square, Authorize.net, NMI) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.120.46. This is due to missing or incorrect nonce validation on the peachpaystripehandleadminactions function. This makes it possible for unauthenticated attackers to permanently delete all stored Stripe credentials — including publishable keys, secret keys, webhook secrets, and Apple Pay configuration — from the WordPress database, disabling Stripe payment processing for the store via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Missing Authorization vulnerability in peachpay PeachPay Payments allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects PeachPay Payments: from n/a through 1.117.4.

The Related Products for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'woo-related' shortcode in versions up to, and including, 3.3.15 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.