WordPress plugin
Responsive Header Plugin 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 Responsive Header Plugin vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.4 | Authenticated (Administrator+) Stored Cross-Site Scripting via Settings Parameters ≤1.0No patch available | CVE-2026-1300 |
- Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting via Settings Parameters
≤1.0No patch available
Responsive Header Plugin: common questions
Does Responsive Header Plugin have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Responsive Header Plugin: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Responsive Header Plugin 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 Responsive Header Plugin vulnerability?
CVE-2026-1300, published Jan 23, 2026: Responsive Header Plugin <= 1.0 - Authenticated (Administrator+) Stored Cross-Site Scripting via Settings Parameters. Severity: Medium (CVSS 4.4).
Is any Responsive Header Plugin vulnerability listed in CISA KEV?
No. None of the known Responsive Header Plugin vulnerabilities is currently listed in the CISA KEV catalog.