CVE-2026-57403highCWE-79

CVE-2026-57403: high-severity vulnerability in Milan Petrovic GD Security Headers

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

Published

Follow this CVE+ Monitor GD Security Headers

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Affected products
Milan Petrovic · GD Security Headers
Related CVEs — Milan Petrovic GD Security Headers

In the same product, most dangerous first.

CVE-2023-46821HIGHWordPress GD Security Headers Plugin <= 1.7 is vulnerable to SQL InjectionEPSS 0.7%CVE-2023-40330HIGHWordPress GD Security Headers Plugin <= 1.6.1 is vulnerable to Cross Site Scripting (XSS)EPSS 0.4%