CVE-2025-47931

Summary

LibreNMS is PHP/MySQL/SNMP based network monitoring software. LibreNMS v25.4.0 and prior suffers from a 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. LibreNMS v25.5.0 contains a patch for the issue.

Affected Software

Weaknesses

• CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
• https://github.com/librenms/librenms/pull/17603
• https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
• https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284

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