WordPress plugin
Simple Email Subscriber 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 Simple Email Subscriber vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.1 | Reflected Cross-Site Scripting ≤2.3No patch available | CVE-2025-27354 |
- Medium6.1Reflected Cross-Site Scripting
≤2.3No patch available
Simple Email Subscriber: common questions
Does Simple Email Subscriber have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Simple Email Subscriber: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Simple Email Subscriber 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 Simple Email Subscriber vulnerability?
CVE-2025-27354, published Feb 21, 2025: Simple Email Subscriber <= 2.3 - Reflected Cross-Site Scripting. Severity: Medium (CVSS 6.1).
Is any Simple Email Subscriber vulnerability listed in CISA KEV?
No. None of the known Simple Email Subscriber vulnerabilities is currently listed in the CISA KEV catalog.