CVE-2026-57403: Milan Petrovic Gd Security Headers

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Milan Petrovic Gd Security Headers: up to and including 1.8

Published 2026-07-13. Last modified 2026-07-13.