CVE-2026-57403

WordPress GD Security Headers plugin <= 1.8 - Cross Site Scripting (XSS) vulnerability

State: Published
Severity: 7.1 High
Published: Jul 13, 2026
Updated: Jul 13, 2026
Reserved: Jun 24, 2026

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Milan Petrovic GD Security Headers gd-security-headers allows Reflected XSS.This issue affects GD Security Headers: from n/a through <= 1.8.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L	Patchstack

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
GD Security HeadersMilan Petrovic	1.8 and earlierAffectedfrom 1.9Not affected

References

https://patchstack.com/database/Wordpress/Plugin/gd-security-headers/vulnerability/wordpress-gd-security-headers-plugin-1-8-cross-site-scripting-xss-vulnerability?_s_id=cvevdb-entry

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