WordPress plugin
Newsletters 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.
- Critical2
- High14
- Medium30
- Low0
All Newsletters vulnerabilities
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Newsletters: common questions
Does Newsletters have known vulnerabilities?
Yes. VulnCrest Radar lists 46 known vulnerabilities in Newsletters: 2 critical, 14 high, 30 medium. At least one is not fixed in the latest version.
How do I check which version of Newsletters 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 Newsletters vulnerability?
CVE-2026-122063, published Nov 12, 2026: Newsletters <= 4.18.2 - Authenticated (Subscriber+) SQL Injection via 'user_email' User Meta. Severity: Medium (CVSS 6.5).
Is any Newsletters vulnerability listed in CISA KEV?
No. None of the known Newsletters vulnerabilities is currently listed in the CISA KEV catalog.