CVE-2025-8459 A user with low privileges can inject XSS in the Monitoring Recurrent downtimes page

High 7.7 Published Updated

Low-privilege users can inject stored XSS in the Monitoring Recurrent downtimes page, potentially leading to code execution or account takeover.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-8459?

CVE-2025-8459 is a high-severity cross-site scripting vulnerability in Centreon Centreon Web, published on 14 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Centreon Infra Monitoring (Monitoring recurrent downtime scheduler modules) allows Stored XSS.This issue affects Infra Monitoring: from 24.10.0 before 24.10.13, from 24.04.0 before 24.04.18, from 23.10.0 before 23.10.28.

Weakness: CWE-79

Which versions are affected by CVE-2025-8459?

It affects 1 product.

Products include Centreon Centreon Web.

How do I fix CVE-2025-8459?

No fix has been published for CVE-2025-8459 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-2025-8459 being exploited?

There is no known exploitation of CVE-2025-8459 in the wild and no public exploit code.

All Centreon Centreon Web vulnerabilities

Sources

Also known as GHSA-qjr3-j75m-5g32.

Is CVE-2025-8459 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free