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GD Security Headers

GD Security Headers is a WordPress component with 3 published CVE records in this archive. The latest tracked vulnerability was published Jul 13, 2026; the highest CVE/CNA score is 7.6.

Plugin slug: gd-security-headers

CVE-2026-57403: GD Security Headers: Cross-site scripting

GD Security Headers is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 1.8.

PublishedJul 13, 2026
Known safe version1.9
Safe version
Jul 13, 2026 CVE-2026-57403
GD Security Headers: Cross-site scripting
GD Security Headers is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 1.8.
1.9
CVE7.1
NVDPending
Nov 06, 2023 CVE-2023-46821
GD Security Headers: SQL injection
GD Security Headers is affected by SQL injection. Exposure depends on how the affected operation is made reachable by the site. A successful request can alter database queries and expose or modify WordPress data.
See mitigation notes
CVE7.6
NVD7.2
Sep 27, 2023 CVE-2023-40330
Gd Security Headers: Cross-site scripting
Gd Security Headers is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
See mitigation notes
CVE7.1
NVD6.1