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Software intelligence

Mailchimp For Wp vulnerabilities

12 tracked advisories · slug mailchimp-for-wp

Important: Mailchimp For Wp appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

12

Latest advisory

21 August 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

mailchimp-for-wp

Plugin

What this means for Mailchimp For Wp

This catalog lists 12 known advisories affecting Mailchimp For Wp. The most recent was published on 21 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • MC4WP: Mailchimp for WordPress <= 4.12.0 - Authenticated (Author+) Stored Cross-Site Scripting via Form Response Messages

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 21 August 2026

  • MC4WP: Mailchimp for WordPress <= 4.11.1 - Missing Authorization to Unauthenticated Arbitrary Subscription Deletion

    This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.

    Published 10 March 2026

  • MailChimp for Wordpress <= 4.9.16 - Authenticated (Administrator+) Stored Cross-Site Scripting

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 20 September 2024

Vulnerability types

  • Cross-site scripting8
  • CSRF1

Authentication (inferred from titles)

  • Unauthenticated1
  • Authenticated3
  • Unspecified8

Advisory history

Known Mailchimp For Wp advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Mailchimp For Wp version against this catalog when the Defence plugin is connected to your WordPress site.