WordPress plugin
Lesson Plan Book 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 Lesson Plan Book vulnerabilities
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Lesson Plan Book: common questions
Does Lesson Plan Book have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Lesson Plan Book: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Lesson Plan Book 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 Lesson Plan Book vulnerability?
CVE-2025-13893, published Jan 8, 2026: Lesson Plan Book <= 1.3 - Reflected Cross-Site Scripting. Severity: Medium (CVSS 6.1).
Is any Lesson Plan Book vulnerability listed in CISA KEV?
No. None of the known Lesson Plan Book vulnerabilities is currently listed in the CISA KEV catalog.