CVE-2025-12172

Mailchimp List Subscribe Form <= 2.0.0 - Cross-Site Request Forgery to Mailchimp List Change

Published Feb 19, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 4:47 PM
Reserved
Oct 24, 2025, 2:55 PM
Status
Deferred
Published
Feb 19, 2026, 7:17 AM
Modified
Jun 17, 2026, 8:31 AM