CVE-2020-36731 Information

Description

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.

Reference

https://www.wordfence.com/threat-intel/vulnerabilities/id/fd12a952-2e99-41f7-b74c-55c2b7d8deed?source=cve https://blog.nintechnet.com/zero-day-vulnerability-fixed-in-wordpress-flexible-checkout-fields-for-woocommerce-plugin/ https://www.wordfence.com/blog/2020/02/site-takeover-campaign-exploits-multiple-zero-day-vulnerabilities/