CVE-2025-31811: Xtreeme Planyo Online Reservation System

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in xtreeme Planyo online reservation system planyo-online-reservation-system allows Stored XSS.This issue affects Planyo online reservation system: from n/a through <= 3.1.

Affected products

• Xtreeme Planyo Online Reservation System: up to and including 3.1

Published 2025-04-01. Last modified 2026-06-17.