WordPress plugin
Newsletter security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 2 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
2Known vulnerabilities
- Critical0
- High0
- Medium2
- Low0
All Newsletter vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated Information Exposure ≤9.3.7Update to 9.3.8 | CVE-2026-86824 | |
| Medium5.4 | Unauthenticated Open Redirect ≤9.3.6Update to 9.3.7 | CVE-2026-86823 |
- Medium5.3Unauthenticated Information Exposure
≤9.3.7Update to 9.3.8
- Medium5.4Unauthenticated Open Redirect
≤9.3.6Update to 9.3.7
Newsletter: common questions
Does Newsletter have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Newsletter: 2 medium. None are known to affect version null.
How do I check which version of Newsletter 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 Newsletter vulnerability?
CVE-2026-86824, published Sep 15, 2026: Newsletter <= 9.3.7 - Unauthenticated Information Exposure. Severity: Medium (CVSS 5.3).
Is any Newsletter vulnerability listed in CISA KEV?
No. None of the known Newsletter vulnerabilities is currently listed in the CISA KEV catalog.