GitHub Advisoryadvisory · Packagist
GHSA-hxw5-9cc5-cmw5 LibreNMS stored Cross-site Scripting vulnerability in poller group name
LOW
Official page ↗
- Aliases
- CVE-2025-47931
- Ecosystem
- Packagist
- Packages
- librenms/librenms
- Severity
- Low
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P
- Weaknesses
- CWE-79
- Reviewed
- 2025-05-19
Affected packages
• Packagist librenms/librenms: < 25.5.0 → fixed in 25.5.0
Description
LibreNMS v25.4.0 suffers from Stored Cross-Site Scripting (XSS) Vulnerability in the 'group name' parameter of the 'http://localhost/poller/groups' form. This vulnerability allows attackers to inject malicious scripts into web pages viewed by other users.
---------------------------------POC-----------------------------
Before Setting: Enable 'distributed_poller' in http://localhost/settings/poller/distributed
1. Attacker creates a new poller group and injects the payload in the 'group name' parameter
```
payload: alert('XSS')
```
2. Victim navigates to the 'http://localhost/addhost' to add a new host
3. The payload is executed
code sink:
https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
Related
Alias · CVE (1)
- CVE-2025-47931 LibreNMS is PHP/MySQL/SNMP based network monitoring software. vulnerability
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5 web
- https://nvd.nist.gov/vuln/detail/CVE-2025-47931 advisory
- https://github.com/librenms/librenms/pull/17603 web
- https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062 web
- https://github.com/librenms/librenms package
- https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284 web