MailChimp List Subscribe Form, CVE-2025-12172

CVE, Research URL: CVE-2025-12172
Home page URL: Security reports for MailChimp List Subscribe Form
Application: MailChimp List Subscribe Form
Published on: Feb 19, 2026
Research Description: The Mailchimp List Subscribe Form plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.0. This is due to missing or incorrect nonce validation on the mailchimp_sf_change_list_if_necessary() function. This makes it possible for unauthenticated attackers to change Mailchimp lists via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected versions: max 2.0.1.
Status: vulnerable