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CVE-2026-2996

HIGH 7.5 CVSS 3.1
Published
August 22, 2026
Last modified
October 12, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-20
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

The Advanced Product Fields (Product Addons) for WooCommerce plugin for WordPress is vulnerable to Improper Input Validation in all versions up to, and including, 1.6.21. This is due to a logic flaw in the 'validate_cart_data' function. This makes it possible for unauthenticated attackers to bypass required paid addons and complete purchases at the base product price only, effectively stealing products by paying a fraction of the intended total. The vulnerability was partially patched in version 1.6.19.

Affected WordPress components

  • Advanced Product Fields (Product Addons) for WooCommerce Plugin · advanced-product-fields-for-woocommerce
    Confirmed match Active
    Up to and including 1.6.21
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • maartenbelmans Advanced Product Fields (Product Addons) for WooCommerce — Up to and including 1.6.21

References