WordPress plugin
GD Security Headers security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 3 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High2
- Medium1
- Low0
All GD Security Headers vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤1.8Update to 1.9 | CVE-2026-57403 | |
| High7.2 | Authenticated (Admin+) SQL Injection ≤1.7Update to 1.7.1 | CVE-2023-46821 |
- High7.2Unauthenticated Stored Cross-Site Scripting
≤1.8Update to 1.9
- High7.2Authenticated (Admin+) SQL Injection
≤1.7Update to 1.7.1
GD Security Headers: common questions
Does GD Security Headers have known vulnerabilities?
Yes. VulnCrest Radar lists 3 known vulnerabilities in GD Security Headers: 2 high, 1 medium. None are known to affect version null.
How do I check which version of GD Security 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 GD Security Headers vulnerability?
CVE-2026-57403, published Jul 8, 2026: GD Security Headers <= 1.8 - Unauthenticated Stored Cross-Site Scripting. Severity: High (CVSS 7.2).
Is any GD Security Headers vulnerability listed in CISA KEV?
No. None of the known GD Security Headers vulnerabilities is currently listed in the CISA KEV catalog.