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.

Project Subscriptions

Vendors Products
Mailchimp Subscribe
Mailchimp List Subscribe Form Subscribe
Wordpress Subscribe
Wordpress Subscribe
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Thu, 19 Feb 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Mailchimp
Mailchimp mailchimp List Subscribe Form
Wordpress
Wordpress wordpress
Vendors & Products Mailchimp
Mailchimp mailchimp List Subscribe Form
Wordpress
Wordpress wordpress

Thu, 19 Feb 2026 04:15:00 +0000

Type Values Removed Values Added
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.
Title Mailchimp List Subscribe Form <= 2.0.0 - Cross-Site Request Forgery to Mailchimp List Change
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-02-19T17:43:16.858Z

Reserved: 2025-10-24T14:55:13.389Z

Link: CVE-2025-12172

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-19T07:17:27.673

Modified: 2026-02-19T15:53:02.850

Link: CVE-2025-12172

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-19T10:07:42Z

Weaknesses