# CVE-2024-13992: Nagios XI < 2024R1.1 XSS via Missing Page / 404

> Attackers can execute arbitrary JavaScript in victims' browsers via a crafted link to the 404 page, potentially leading to session hijacking or account takeover.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N`)
- **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 available:** No
- **Published:** 31 Oct 2025
- **Updated:** 17 Nov 2025
- **Also known as:** GHSA-4fg8-97vg-f94j

## What is CVE-2024-13992?

CVE-2024-13992 is a medium-severity cross-site scripting vulnerability in Nagios Nagios Xi, published on 31 Oct 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

Nagios XI versions prior to < 2024R1.1 is vulnerable to a cross-site scripting (XSS) when a user visits the "missing page" (404) page after following a link from another website. The vulnerable component, page-missing.php, fails to properly validate or escape user-supplied input, allowing an attacker to craft a malicious link that, when visited by a victim, executes arbitrary JavaScript in the victim’s browser within the Nagios XI domain.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2024-13992?

It affects 1 product.


Products: Nagios Nagios Xi.

## How do I fix CVE-2024-13992?

No fix has been published for CVE-2024-13992 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-13992 being exploited?

There is no known exploitation of CVE-2024-13992 in the wild and no public exploit code.

## Other vulnerabilities in Nagios Nagios Xi

- [CVE-2021-25296](https://insights.sbomify.com/CVE-2021-25296/): Nagios XI OS Command Injection (high 8.8, exploited in the wild)
- [CVE-2021-25297](https://insights.sbomify.com/CVE-2021-25297/): Nagios XI OS Command Injection (high 8.8, exploited in the wild)
- [CVE-2021-25298](https://insights.sbomify.com/CVE-2021-25298/): Nagios XI OS Command Injection (high 8.8, exploited in the wild)
- [CVE-2019-15949](https://insights.sbomify.com/CVE-2019-15949/): Nagios XI Remote Code Execution (high 8.8, exploited in the wild)
- [CVE-2024-24401](https://insights.sbomify.com/CVE-2024-24401/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-13992 and fix it if it is affected.

What it is: CVE-2024-13992 is a medium-severity cross-site scripting vulnerability in Nagios Nagios Xi, published on 31 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-13992 in the wild and no public exploit code.

Affected product: Nagios Nagios Xi. 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-2024-13992/ (Markdown: https://insights.sbomify.com/CVE-2024-13992/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-13992
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-13992
- OSV: https://osv.dev/vulnerability/CVE-2024-13992

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-13992/
Summaries are generated and may contain mistakes; the official description above is the record.