Software intelligence
Important: Gd Security Headers appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works
Tracked advisories
3
Latest advisory
8 July 2026
CISA KEV matches
0
In this WordPress feed
WordPress slug
gd-security-headers
Plugin
This catalog lists 3 known advisories affecting Gd Security Headers. The most recent was published on 8 July 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.
GD Security Headers <= 1.8 - Unauthenticated Stored Cross-Site Scripting
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 8 July 2026
GD Security Headers <= 1.7 - Authenticated (Admin+) SQL Injection
May allow attackers to read or modify database contents beyond intended access.
Published 29 October 2023
GD Security Headers <= 1.6.1 - Reflected Cross-Site Scripting
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 17 August 2023
Known Gd Security Headers advisories published by month.
CVE-2026-57403 · Published 8 July 2026
Affected versions: ≤ 1.8
CVE-2023-46821 · Published 29 October 2023
Affected versions: ≤ 1.7
CVE-2023-40330 · Published 17 August 2023
Affected versions: ≤ 1.6.1
SiteRespond Defence matches your installed Gd Security Headers version against this catalog when the Defence plugin is connected to your WordPress site.