What the vulnerability does
01Description
Insertion of Sensitive Information Into Sent Data vulnerability in Renzo Johnson contact-form-7-mailchimp-extension contact-form-7-mailchimp-extension allows Retrieve Embedded Sensitive Data.This issue affects contact-form-7-mailchimp-extension: from n/a through <= 0.9.68.
Explanation of Vulnerability in Simple Terms
02Summary
The Contact Form 7 Mailchimp Extension versions 0.9.68 and earlier expose sensitive information to authenticated users with low privileges. An attacker with a low-privilege account can read data they should not have access to. Update to version 0.9.69 or later to patch this vulnerability.
What an attacker can do
03Attacker Capabilities
Read sensitive information accessible only to higher-privilege users.
Potential impact on your site
04Site Impact
User data or configuration details may be exposed to low-privilege site members or subscribers.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege account on the site.
Key dates
06Disclosure timeline
December 30, 2025
CVE published
April 28, 2026
Record updated