Auth bypass in Mailchimp For Woocommerce

CVE-2026-92435

The Mailchimp for WooCommerce WordPress plugin before 6.1.1 does not verify that the requesting user holds the required capability in the permission callback for several of its REST API routes, allowing unauthenticated users to reach administrator-oriented endpoints and trigger a persistent state change.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.2% 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-2026-92435: held from 0.003 to 0.003.

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

Affected products

  • Mailchimp For Woocommerce

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92435?
CVE-2026-92435 is a medium-severity vulnerability in Mailchimp For Woocommerce, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-09-19.
How severe is CVE-2026-92435?
Medium severity. CVSS v3 base score is 5.3 out of 10.