CVE-2025-27337: Kontur Fontsampler

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 kontur Fontsampler fontsampler allows Reflected XSS.This issue affects Fontsampler: from n/a through <= 0.4.14.

Affected products

• Kontur Fontsampler: up to and including 0.4.14

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