Gd Security Headers Vulnerabilities

The GD Security Headers plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user acce...

CVSS:

7.2

Affected:

up to 1.8

Fixed in:

1.9

Disclosed:

Jul 8, 2026

CVE-2026-57403 on NVD →

The GD Security Headers plugin for WordPress is vulnerable to union-based SQL Injection via the 'filter-vd' and 'filter-ed' parameters in all versions up to, and including, 1.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possib...

CVSS:

7.2

Affected:

up to 1.7

Fixed in:

1.7.1

Disclosed:

Oct 29, 2023

CVE-2023-46821 on NVD →

The GD Security Headers plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via error message in versions up to, and including, 1.6.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if...

CVSS:

6.1

Affected:

up to 1.6.1

Fixed in:

1.7

Disclosed:

Aug 17, 2023

CVE-2023-40330 on NVD →