WordPress plugin
MailChimp Campaigns security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All MailChimp Campaigns vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Missing Authorization to Authenticated (Subscriber+) MailChimp App Disconnection ≤3.2.4No patch available | CVE-2026-1303 |
- Medium5.3Missing Authorization to Authenticated (Subscriber+) MailChimp App Disconnection
≤3.2.4No patch available
MailChimp Campaigns: common questions
Does MailChimp Campaigns have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in MailChimp Campaigns: 1 medium. At least one is not fixed in the latest version.
How do I check which version of MailChimp Campaigns 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 MailChimp Campaigns vulnerability?
CVE-2026-1303, published Feb 13, 2026: MailChimp Campaigns <= 3.2.4 - Missing Authorization to Authenticated (Subscriber+) MailChimp App Disconnection. Severity: Medium (CVSS 5.3).
Is any MailChimp Campaigns vulnerability listed in CISA KEV?
No. None of the known MailChimp Campaigns vulnerabilities is currently listed in the CISA KEV catalog.