WordPress plugin
The Holiday Calendar 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 The Holiday Calendar vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤1.18.2.1No patch available | CVE-2025-29003 | |
| Medium6.1 | Cross-Site Scripting <1.11.3Update to 1.11.3 | CVE-2015-9270 |
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤1.18.2.1No patch available
- Medium6.1Cross-Site Scripting
<1.11.3Update to 1.11.3
The Holiday Calendar: common questions
Does The Holiday Calendar have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in The Holiday Calendar: 2 medium. At least one is not fixed in the latest version.
How do I check which version of The Holiday Calendar 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 The Holiday Calendar vulnerability?
CVE-2025-29003, published Jun 5, 2025: The Holiday Calendar <= 1.18.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any The Holiday Calendar vulnerability listed in CISA KEV?
No. None of the known The Holiday Calendar vulnerabilities is currently listed in the CISA KEV catalog.