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Laskyr

Plugins · cf7-mailchimp · data as of 2026-11-04

Is Integration for Mailchimp and Contact Form 7,… safe? Known vulnerabilities and latest version

No known unpatched vulnerabilities in the latest version (1.2.3)

As of 2026-11-04. 2 issues are on record for older versions; version 1.2.3 or newer fixes all of them that state a fix.

Latest version
1.2.3
Last updated
2026-09-06
Active installs
8,000+
Known issues on record
2
Unpatched in latest
0
Tested up to WP
7.1.4 · PHP 5.3+

Send Contact Form 7, WPforms, Elementor, Ninja Forms, CRM Perks Forms and many other contact form submissions to Mailchimp. — by CRM Perks

What to do

  1. Update to the latest version (1.2.3). Anything older than 1.2.3 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
  2. If you cannot update right away, deactivate it until you can.
  3. Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
  4. If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.

With WP-CLI: wp plugin get cf7-mailchimp --field=version shows what you run; wp plugin update cf7-mailchimp updates it.

Check your version

Known vulnerabilities

2 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.

critical 9.8 CVE-2026-49765 · published 2026-06-15

PHP object injection in Integration for Mailchimp and Contact Form 7,… (1.1.8 and older)

Affected
1.1.8 and older
Fixed in
1.1.9
Access needed (per CVSS)
No login needed
Range from
CVE record (the advisory publisher) · score by Patchstack
Details from the advisory

Unauthenticated PHP Object Injection in Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms <= 1.1.8 versions.

NVD CVE-2026-49765Patchstack advisory

medium 6.5 CVE-2026-25430 · published 2026-03-25

Missing authorization check in Integration for Mailchimp and Contact Form 7,… (1.2.2 and older)

Affected
1.2.2 and older
Fixed in
1.2.3
Access needed (per CVSS)
Needs a low-level account (e.g. subscriber)
Range from
CVE record (the advisory publisher) · score by Patchstack
Details from the advisory

Missing Authorization vulnerability in CRM Perks Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms cf7-mailchimp allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms: from n/a through <= 1.2.2.

NVD CVE-2026-25430Patchstack advisory

Recent activity

Browse vulnerabilities

Where this data comes from

Badge for your site or docs (states facts with a date, not a verdict):
Integration for Mailchimp and Contact Form 7,… vulnerability status badge
<a href="https://laskyr.com/plugins/cf7-mailchimp"><img src="https://laskyr.com/plugins/cf7-mailchimp/badge.svg" alt="Integration for Mailchimp and Contact Form 7,… vulnerability status"></a>

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