Auth bypass in Mailerlite – Woocommerce Integration

CVE-2026-1000

The MailerLite - WooCommerce integration plugin for WordPress is vulnerable to unauthorized data modification and deletion in all versions up to, and including, 3.1.3. This is due to missing capability checks on the resetIntegration() func…

Vulnerability class: Broken Access Control

EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1000?
CVE-2026-1000 is a medium-severity vulnerability in Mailerlite – Woocommerce Integration, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-01-16.
How severe is CVE-2026-1000?
Medium severity. CVSS v3 base score is 6.5 out of 10.