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

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

- **Severity:** High 7.7 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Oct 2025
- **Updated:** 15 Oct 2025
- **Also known as:** GHSA-qjr3-j75m-5g32

## 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 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2025-8459?

It affects 1 product.


Products: 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.

## Is CVE-2025-8459 being exploited?

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

## Other vulnerabilities in Centreon Centreon Web

- [CVE-2024-32501](https://insights.sbomify.com/CVE-2024-32501/): SQL injection in n/a (critical 9.8)
- [CVE-2024-53923](https://insights.sbomify.com/CVE-2024-53923/): SQL injection in n/a (critical 9.1)
- [CVE-2024-55573](https://insights.sbomify.com/CVE-2024-55573/): SQL injection in n/a (critical 9.1)
- [CVE-2024-33852](https://insights.sbomify.com/CVE-2024-33852/): SQL injection in n/a (critical 9.1)
- [CVE-2024-33853](https://insights.sbomify.com/CVE-2024-33853/): SQL injection in n/a (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-8459 and fix it if it is affected.

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

Affected product: Centreon Centreon Web. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-8459/ (Markdown: https://insights.sbomify.com/CVE-2025-8459/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-8459
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-8459
- OSV: https://osv.dev/vulnerability/CVE-2025-8459

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-8459/
Summaries are generated and may contain mistakes; the official description above is the record.