PT-2026-20580 · WordPress · Mailchimp List Subscribe Form

Shivam Kumar · Published 2026-02-19 · Updated 2026-02-23 · CVE-2025-12172

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Mailchimp List Subscribe Form versions prior to 2.0.1

Description The Mailchimp List Subscribe Form plugin for WordPress is susceptible to Cross-Site Request Forgery. This is caused by inadequate nonce validation within the mailchimp sf change list if necessary() function. An unauthenticated attacker could potentially modify Mailchimp lists by deceiving a site administrator into performing an action, such as clicking a malicious link.

Recommendations Update Mailchimp List Subscribe Form to version 2.0.1 or later.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2025-12172

Affected Products

Mailchimp List Subscribe Form

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-12172 · Security Note
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3435538%40mailchimp&new=3435538%40mailchimp&sfp_email=&sfph_mail= · Note
• https://twitter.com/CVEnew/status/2025892101028786273 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/3e270633-0031-41c1-98ac-ce96cd599a60?source=cve · Note
• https://t.me/CVEtracker/45050 · Telegram Post