What is CVE-2026-2996?

CVE-2026-2996 is a high-severity vulnerability in Maartenbelmans Advanced Product Fields (Product Addons) For Woocommerce, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-08-22.

How severe is CVE-2026-2996?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Maartenbelmans Advanced Product Fields (Product Addons) For Woocommerce

CVE-2026-2996

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Maartenbelmans Advanced Product Fields (Product Addons) For Woocommerce

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

Frequently asked questions

What is CVE-2026-2996?: CVE-2026-2996 is a high-severity vulnerability in Maartenbelmans Advanced Product Fields (Product Addons) For Woocommerce, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-08-22.
How severe is CVE-2026-2996?: High severity. CVSS v3 base score is 7.5 out of 10.