The MC4WP: Mailchimp for WordPress plugin before 4.15.0 does not validate that the Mailchimp audience a sign-up form or bundled integration subscribes a visitor to matches the audience configured by the site owner, allowing unauthenticated visitors to subscribe arbitrary email addresses to any other audience in the site's connected Mailchimp account.
Metrics
Affected Vendors & Products
References
History
Fri, 06 Nov 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-284 |
Fri, 06 Nov 2026 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-863 | |
| Metrics |
cvssV3_1
|
Fri, 06 Nov 2026 08:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-284 |
Fri, 06 Nov 2026 06:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The MC4WP: Mailchimp for WordPress plugin before 4.15.0 does not validate that the Mailchimp audience a sign-up form or bundled integration subscribes a visitor to matches the audience configured by the site owner, allowing unauthenticated visitors to subscribe arbitrary email addresses to any other audience in the site's connected Mailchimp account. | |
| Title | MC4WP: Mailchimp for WordPress < 4.15.0 - Unauthenticated Subscription Audience Override | |
| References |
|
Status: PUBLISHED
Assigner: WPScan
Published: 2026-11-06T06:00:28.080Z
Updated: 2026-11-06T11:59:40.340Z
Reserved: 2026-10-27T17:49:16.686Z
Link: CVE-2026-118167
No data.
Status : Received
Published: 2026-11-06T06:16:40.710
Modified: 2026-11-06T12:17:17.967
Link: CVE-2026-118167
No data.
ReportizFlow