WordPress plugin
MailChimp Immediate Send 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 Immediate Send vulnerabilities
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MailChimp Immediate Send: common questions
Does MailChimp Immediate Send have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in MailChimp Immediate Send: 1 medium. At least one is not fixed in the latest version.
How do I check which version of MailChimp Immediate Send 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 Immediate Send vulnerability?
CVE-2023-33999, published Jul 18, 2023: Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get. Severity: Medium (CVSS 6.1).
Is any MailChimp Immediate Send vulnerability listed in CISA KEV?
No. None of the known MailChimp Immediate Send vulnerabilities is currently listed in the CISA KEV catalog.