CVE-2026-28166: Goodlayers Tourmaster

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Unauthenticated Cross Site Scripting (XSS) in Tourmaster <= 5.4.9 versions.

Affected products

• Goodlayers Tourmaster: up to and including 5.4.9

Published 2026-08-24. Last modified 2026-08-24.