Description

WordPress Plugin Flexible Checkout Fields for WooCommerce is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently inject new fields and scripts into the WooCommerce checkout page. WordPress Plugin Flexible Checkout Fields for WooCommerce version 2.3.1 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 2.3.4 or latest

References

https://blog.nintechnet.com/zero-day-vulnerability-fixed-in-wordpress-flexible-checkout-fields-for-woocommerce-plugin/

https://wordpress.org/support/topic/malicious-access-plugin-woo-add-to-carts-by-linkflowusers/

https://www.wordfence.com/blog/2020/02/site-takeover-campaign-exploits-multiple-zero-day-vulnerabilities/

https://plugins.svn.wordpress.org/flexible-checkout-fields/trunk/readme.txt

Related Vulnerabilities

XWiki CVE-2007-4898 Vulnerability (CVE-2007-4898)

Drupal Other Vulnerability (CVE-2006-5476)

Magento Incorrect Authorization Vulnerability (CVE-2020-24401)

Ruby on Rails Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2011-0446)

IBM RTC Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2017-1509)

Severity

High

Classification

CWE-264 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass