CVE-2025-66109 WordPress Cart Weight for WooCommerce plugin <= 1.9.11 - Broken Access Control vulnerability

Q: What is CVE-2025-66109?

CVE-2025-66109 is a medium-severity missing authorization vulnerability in Octolize Shipping Plugins Cart Weight for WooCommerce, published on 21 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Q: Is CVE-2025-66109 being exploited?

There is no known exploitation of CVE-2025-66109 in the wild and no public exploit code.

Medium 5.3 Published 21 Nov 2025 Updated 28 Apr 2026

Attackers can bypass access controls in the Cart Weight for WooCommerce plugin to perform unauthorized actions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2025-66109?

CVE-2025-66109 is a medium-severity missing authorization vulnerability in Octolize Shipping Plugins Cart Weight for WooCommerce, published on 21 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Missing Authorization vulnerability in Octolize Shipping Plugins Cart Weight for WooCommerce woo-cart-weight allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Cart Weight for WooCommerce: from n/a through <= 1.9.11.

Weakness: CWE-862

Which versions are affected by CVE-2025-66109?

How do I fix CVE-2025-66109?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-66109 being exploited?