Auth bypass in Mailchimp For Woocommerce

CVE-2026-92437

The Mailchimp for WooCommerce WordPress plugin before 6.3 does not require authentication, a nonce or an ownership check before it acts on a customer's abandoned-cart record identified from request-supplied data, allowing an unauthenticated attacker to modify or delete another customer's stored cart.

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

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Mailchimp For Woocommerce

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92437?
CVE-2026-92437 is a medium-severity vulnerability in Mailchimp For Woocommerce, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-10-03.
How severe is CVE-2026-92437?
Medium severity. CVSS v3 base score is 5.3 out of 10.