CVE-2025-39503: Goodlayers Hotel

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in GoodLayers Goodlayers Hotel gdlr-hotel allows Object Injection.This issue affects Goodlayers Hotel: from n/a through <= 3.1.4.

Affected products

• Goodlayers Goodlayers Hotel: up to and including 3.1.4

Published 2025-05-23. Last modified 2026-06-17.