CVE-2025-31811 WordPress Planyo online reservation system plugin <= 3.1 - Cross Site Scripting (XSS) vulnerability
Stored XSS in Planyo reservation plugin allows attackers to inject scripts, potentially leading to session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-31811?
CVE-2025-31811 is a medium-severity cross-site scripting vulnerability in xtreeme Planyo online reservation system, published on 1 Apr 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2025-31811?
How do I fix CVE-2025-31811?
No fix has been published for CVE-2025-31811 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-31811 being exploited?
There is no known exploitation of CVE-2025-31811 in the wild and no public exploit code.
Sources
Also known as GHSA-9fr8-m4rq-565w.