WordPress plugin
Calendar Plus 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 Calendar Plus vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.1 | Reflected Cross-Site Scripting ≤1.2.4No patch available | CVE-2025-53350 |
- Medium6.1Reflected Cross-Site Scripting
≤1.2.4No patch available
Calendar Plus: common questions
Does Calendar Plus have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Calendar Plus: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Calendar Plus 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 Calendar Plus vulnerability?
CVE-2025-53350, published Sep 12, 2025: Calendar Plus <= 1.2.4 - Reflected Cross-Site Scripting. Severity: Medium (CVSS 6.1).
Is any Calendar Plus vulnerability listed in CISA KEV?
No. None of the known Calendar Plus vulnerabilities is currently listed in the CISA KEV catalog.