WordPress plugin
MC4WP: Mailchimp for WordPress security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 16 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High1
- Medium15
- Low0
All MC4WP: Mailchimp for WordPress vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.8 | Cross-Site Request Forgery ≤4.8.4Update to 4.8.5 | — |
- High8.8Cross-Site Request Forgery
≤4.8.4Update to 4.8.5
MC4WP: Mailchimp for WordPress: common questions
Does MC4WP: Mailchimp for WordPress have known vulnerabilities?
Yes. VulnCrest Radar lists 16 known vulnerabilities in MC4WP: Mailchimp for WordPress: 1 high, 15 medium. None are known to affect version null.
How do I check which version of MC4WP: Mailchimp for WordPress I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent MC4WP: Mailchimp for WordPress vulnerability?
CVE-2026-27356, published Nov 6, 2026: MC4WP: Mailchimp for WordPress <= 4.14.1 - Missing Authorization. Severity: Medium (CVSS 5.3).
Is any MC4WP: Mailchimp for WordPress vulnerability listed in CISA KEV?
No. None of the known MC4WP: Mailchimp for WordPress vulnerabilities is currently listed in the CISA KEV catalog.