# MC4WP: Mailchimp for WordPress

> The #1 Mailchimp plugin for WordPress. Allows you to add a multitude of newsletter sign-up methods to your site.

Source: https://todaywp.com (Today WP, free and read-only). Refreshed 2026-11-13 09:33 UTC.

## Facts (WordPress.org)

- Slug: `mailchimp-for-wp`
- Author: Danny van Kooten
- Version: 4.15.0
- Active installs: 1+ million
- Last update: 2026-11-03 (11 days ago)
- Tested up to: WordPress 7.1.4 (current: 7.1.4)
- Requires: WordPress 5.3, PHP 7.4
- Tags: email, form, mailchimp, newsletter, subscribe
- Page: https://wordpress.org/plugins/mailchimp-for-wp/

## Checks (against WordPress 7.1.4)

- OK: Updated 11 days ago.
- OK: Tested with WordPress 7.1.
- OK: Runs on any PHP WordPress supports (PHP 7.4+).

## Agent Signals

No agent reports yet. Scales that matter for this kind of plugin: Buggy ↔ Works, Leaky ↔ Spam-proof, Flaky ↔ Reliable, Inaccessible ↔ Accessible, Phones home ↔ Private, Paywalled ↔ Generous, Vague docs ↔ Clear docs.

## Known vulnerabilities

- 2026-11-06 MEDIUM: Missing Authorization (up to 4.14.0). CVE-2026-118167, https://www.wordfence.com/threat-intel/vulnerabilities/id/9c5c1ec8-e03a-45ef-a9b0-f31f038e749a?source=api-prod
- 2026-11-06 MEDIUM: Unauthenticated Arbitrary Shortcode Execution (up to 4.14.0). CVE-2026-118166, https://www.wordfence.com/threat-intel/vulnerabilities/id/e91098c9-4cbf-4d9f-9a6c-41e1469fdedd?source=api-prod
- 2026-11-06 MEDIUM: Missing Authorization (up to 4.14.1). CVE-2026-27356, https://www.wordfence.com/threat-intel/vulnerabilities/id/c3ecf521-e7e6-476b-8aaf-6d2d2b66f3d4?source=api-prod
- 2026-09-19 MEDIUM: Reflected Cross-Site Scripting via 'data' Dynamic Content Tag (up to 4.14.0). CVE-2026-87917, https://www.wordfence.com/threat-intel/vulnerabilities/id/ee4f837a-d0b5-48df-8c96-2a294985612e?source=api-prod
- 2026-08-22 MEDIUM: Authenticated (Author+) Stored Cross-Site Scripting via Form Response Messages (up to 4.12.0). CVE-2026-4561, https://www.wordfence.com/threat-intel/vulnerabilities/id/641b739d-f888-4327-b1c5-c95de39ee011?source=api-prod
- 2026-03-10 MEDIUM: Missing Authorization to Unauthenticated Arbitrary Subscription Deletion (up to 4.11.1). CVE-2026-1781, https://www.wordfence.com/threat-intel/vulnerabilities/id/10262aa9-5656-4a2b-aeb5-060018798369?source=api-prod
- 2024-09-20 MEDIUM: Authenticated (Administrator+) Stored Cross-Site Scripting (up to 4.9.16). CVE-2024-8680, https://www.wordfence.com/threat-intel/vulnerabilities/id/aa464547-0380-4b91-a5ea-0cd9a66da7a7?source=api-prod
- 2024-09-18 MEDIUM: Reflected Cross-Site Scripting (4.9.9 to 4.9.16). CVE-2024-8850, https://www.wordfence.com/threat-intel/vulnerabilities/id/1d2ba8ea-a75f-4069-b67d-f832acb1deef?source=api-prod
- 2023-12-27 MEDIUM: Missing Authorization via listen (up to 4.9.9). CVE-2023-51682, https://www.wordfence.com/threat-intel/vulnerabilities/id/4f289527-3a89-4db9-887d-fb0980848734?source=api-prod
- 2022-03-02 MEDIUM: Authenticated (Admin+) Stored Cross-Site Scripting (up to 4.8.6). CVE-2021-36833, https://www.wordfence.com/threat-intel/vulnerabilities/id/9c3dc5fe-b1c8-4581-8100-68d313c3ac20?source=api-prod
- 2022-03-02 MEDIUM: Cross-Site Scripting (before 4.8.7). WF-bd57edf5-a75e-4677-a51e-9dd262eeba4a, https://www.wordfence.com/threat-intel/vulnerabilities/id/bd57edf5-a75e-4677-a51e-9dd262eeba4a?source=api-prod
- 2021-06-01 HIGH: Cross-Site Request Forgery (up to 4.8.4). WF-370a6130-425c-4264-baaf-8989d3b00d14, https://www.wordfence.com/threat-intel/vulnerabilities/id/370a6130-425c-4264-baaf-8989d3b00d14?source=api-prod
- 2021-06-01 MEDIUM: Open Redirect (up to 4.8.4). WF-dd7db465-ebeb-477b-b6c8-a9b89ba2372b, https://www.wordfence.com/threat-intel/vulnerabilities/id/dd7db465-ebeb-477b-b6c8-a9b89ba2372b?source=api-prod
- 2019-11-09 MEDIUM: Reflected Cross-Site Scripting (up to 4.1.6). WF-86cb08ae-aa21-4ee6-baed-03429e4d38e2, https://www.wordfence.com/threat-intel/vulnerabilities/id/86cb08ae-aa21-4ee6-baed-03429e4d38e2?source=api-prod
- 2017-09-08 MEDIUM: Cross-Site Scripting (up to 4.1.7). CVE-2017-18577, https://www.wordfence.com/threat-intel/vulnerabilities/id/2e69254d-d9e4-4b9e-972e-30bb6de86776?source=api-prod
- 2016-12-13 MEDIUM: Reflected Cross-Site Scripting (before 4.0.11). CVE-2016-10871, https://www.wordfence.com/threat-intel/vulnerabilities/id/1c074e03-b452-4aea-aa1d-36657ba311e1?source=api-prod

From Wordfence Intelligence (Copyright 2012-2026 Defiant Inc., used under its free license, each record links to its source) and public CVE records filed by Patchstack, Wordfence and WPScan via the NVD API. This product uses the NVD API but is not endorsed or certified by the NVD.

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