Unauthenticated Arbitrary Plugin Settings Update and Stored Cross-Site Scripting Vulnerabilities in Flexible Checkout Fields for WooCommerce Plugin

CVE-2020-36731 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

Learn more about our Wordpress Pen Testing.