CVE-2025-39423: Jenst Add To Header

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Cross-Site Request Forgery (CSRF) vulnerability in Jenst Add to Header add-to-header allows Stored XSS.This issue affects Add to Header: from n/a through <= 1.0.

Affected products

• Jenst Add To Header: up to and including 1.0

Published 2025-04-17. Last modified 2026-06-17.