WordPress plugin
Simple Notification 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
- Medium2
- Low0
All Simple Notification vulnerabilities
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Simple Notification: common questions
Does Simple Notification have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Simple Notification: 2 medium. At least one is not fixed in the latest version.
How do I check which version of Simple Notification 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 Notification vulnerability?
CVE-2024-13866, published Mar 4, 2025: Simple Notification <= 1.3 - Authenticated (Administrator+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any Simple Notification vulnerability listed in CISA KEV?
No. None of the known Simple Notification vulnerabilities is currently listed in the CISA KEV catalog.