The Flexible Checkout Fields for WooCommerce plugin for WordPress is vulnerable to Unauthenticated Arbitrary Plugin Settings update, in addition to Stored Cross-Site Scripting in versions up to, and including, 2.3.1. This is due to missing authorization checks on the updateSettingsAction() function which is called via an admin_init hook, along with missing sanitization and escaping on the settings that are stored.

The Flexible Wishlist for WooCommerce – Ecommerce Wishlist & Save for later plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.2.26. This is due to missing or incorrect nonce validation on several functions. This makes it possible for unauthenticated attackers to modify/update/create other user's wishlists 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 WP Desk Flexible Checkout Fields for WooCommerce.This issue affects Flexible Checkout Fields for WooCommerce: from n/a through 4.1.2.