WordPress plugin
HTTP Headers 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
- High1
- Medium6
- Low0
All HTTP Headers vulnerabilities
Nothing in this view
No vulnerabilities match this filter. Show all.
HTTP Headers: common questions
Does HTTP Headers have known vulnerabilities?
Yes. VulnCrest Radar lists 7 known vulnerabilities in HTTP Headers: 1 high, 6 medium. At least one is not fixed in the latest version.
How do I check which version of HTTP Headers 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 HTTP Headers vulnerability?
CVE-2026-4132, published Apr 21, 2026: HTTP Headers <= 1.19.2 - Authenticated (Administrator+) External Control of File Name or Path to RCE via 'hh_htpasswd_path' and 'hh_www_authenticate_user' Parameters. Severity: High (CVSS 7.2).
Is any HTTP Headers vulnerability listed in CISA KEV?
No. None of the known HTTP Headers vulnerabilities is currently listed in the CISA KEV catalog.