CVE-2025-67958 MEDIUM

CVE-2025-67958: WordPress TaxCloud for WooCommerce plugin <= 8.3.8 - Broken Access Control vulnerability

Vendor Taxcloud
Product TaxCloud for WooCommerce
Weakness CWE-862 · Missing authorization
Published January 22, 2026
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Taxcloud TaxCloud for WooCommerce simple-sales-tax allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects TaxCloud for WooCommerce: from n/a through <= 8.3.8.

Explanation of Vulnerability in Simple Terms

02Summary

TaxCloud for WooCommerce versions 8.3.8 and earlier lack proper authorization checks, allowing unauthenticated attackers to read and modify sensitive data. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 8.3.8 immediately.

What an attacker can do

03Attacker Capabilities

Read and modify sensitive data without authentication.

Potential impact on your site

04Site Impact

Attackers can access and alter tax configuration and customer data without logging in.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

January 22, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE