CVE-2025-66109 MEDIUM

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

Vendor Octolize Shipping Plugins
Product Cart Weight for WooCommerce
Weakness CWE-862 · Missing authorization
Published November 21, 2025
Last update April 28, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Cart Weight for WooCommerce versions up to 1.9.11 lack proper authorization checks, allowing unauthenticated attackers to modify cart weight data via network requests. The vulnerability does not expose sensitive information or disrupt site availability, but attackers can alter shipping calculations and related cart functionality. Site owners should update to a version newer than 1.9.11.

What an attacker can do

03Attacker Capabilities

Modify cart weight data and shipping calculations without authentication.

Potential impact on your site

04Site Impact

Attackers can manipulate shipping costs and weight-based cart logic, potentially affecting orders and revenue.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

November 21, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE