CVE-2025-53351: Fidelo Software GmbH Fidelo Snippet

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 Fidelo Software GmbH Fidelo Snippet thebing-snippet allows Reflected XSS.This issue affects Fidelo Snippet: from n/a through <= 1.12.

Affected products

• Fidelo Software GmbH Fidelo Snippet: up to and including 1.12

Published 2025-10-22. Last modified 2026-10-08.