Auth bypass in Taxcloud For Woocommerce

CVE-2025-67958

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.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-67958: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-67958?
CVE-2025-67958 is a medium-severity vulnerability in Taxcloud For Woocommerce, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-01-22.
How severe is CVE-2025-67958?
Medium severity. CVSS v3 base score is 6.5 out of 10.