CVE-2025-26573: Jamrizzi Technologies Rizzi Guestbook

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in JamRizzi Technologies Rizzi Guestbook rizzi-guestbook allows Reflected XSS.This issue affects Rizzi Guestbook: from n/a through <= 4.0.1.

Affected products

• Jamrizzi Technologies Rizzi Guestbook: up to and including 4.0.1

Published 2025-03-26. Last modified 2026-06-17.