CVE-2025-31811

WordPress Planyo online reservation system plugin <= 3.1 - Cross Site Scripting (XSS) vulnerability

6.5 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.37%Up 0.3 points since Apr 2, 2025

What each source reports

CVE List Score used 6.5

WordPress Planyo online reservation system plugin <= 3.1 - Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-31811
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-9226 6.5

Record: EUVD-2025-9226
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9fr8-m4rq-565w 6.5

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in xtreeme Planyo online reservation system allows Stored XSS. This issue affects Planyo online reservation system: from n/a through 3.0.

Record: GHSA-9fr8-m4rq-565w
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-31811
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

xtreeme planyo online reservation system

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-31811 is a medium vulnerability (CVSS 6.5) in Xtreeme Planyo Online Reservation System, published April 1, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 30th percentile. No source names a fixed version.