CVE Catalog

CVE-2026-57403

HighCVSS 7.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.25%

16th percentile - higher than 16% of all known CVEs

Summary

The GD Security Headers WordPress plugin contains a reflected Cross-Site Scripting (XSS) vulnerability due to improper input neutralization during page generation. This affects versions up to and including 1.8.

Risk Assessment

An attacker can inject malicious scripts into server responses, potentially leading to session theft, redirects to malicious sites, or theft of user credentials.

Recommendation

Immediately update the GD Security Headers plugin to the latest available version that fixes this vulnerability. Consider deploying Web Application Firewalls (WAF) to block XSS attacks.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS