WordPress Plugin Vulnerabilities

Mailchimp for WooCommerce < 6.1.1 - Unauthenticated Broken Access Control in REST API

Description

The plugin 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.

Proof of Concept

Affects Plugins

References

Classification

Type
NO AUTHORISATION
CWE

Miscellaneous

Original Researcher
Pablo González and Francisco José Ramírez
Submitter
Pablo González and Francisco José Ramírez
Verified
Yes

Timeline

Publicly Published
2026-09-17 (about 2 days ago)
Added
2026-09-17 (about 1 day ago)
Last Updated
2026-09-17 (about 1 day ago)

Other