CVE-2025-62731 Stored XSS in SOPlanning

Medium 5.1 Published 20 Nov 2025 Updated 21 Nov 2025

An attacker with privileged access can inject malicious scripts into the public holidays feature, leading to code execution or account takeover for other users.

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-2025-62731?

CVE-2025-62731 is a medium-severity cross-site scripting vulnerability in SOPlanning, published on 20 Nov 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

SOPlanning is vulnerable to Stored XSS in /feries endpoint. Malicious attacker with access to public holidays feature is able to inject arbitrary HTML and JS into website, which will be rendered/executed when opening multiple pages. By default only administrators and users with special privileges are able to access this endpoint.

This issue was fixed in version 1.55.

Weakness: CWE-79

Which versions are affected by CVE-2025-62731?

It affects 1 product.

Products include Soplanning Soplanning.

How do I fix CVE-2025-62731?

No fix has been published for CVE-2025-62731 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-2025-62731 being exploited?

There is no known exploitation of CVE-2025-62731 in the wild and no public exploit code.

Sources

Also known as GHSA-83gp-m2fc-8ph7.