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TI-2024-33790 Aliases CVE-2024-50355GHSA-4m5r-w2rq-q54q

LibreNMS has a Persistent XSS from Insecure Input Sanitization Affects Multiple Endpoints

Priority MEDIUM 55CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. User with Admin role can edit the Display Name of a device, the application did not properly sanitize the user input in the device Display Name, if java script code is inside the name of the device Display Name, its can be trigger from different sources. This vulnerability is fixed in 24.10.0.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00342 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed librenms (librenms): 24.10.0librenms/librenms (Packagist): 24.10.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
librenmslibrenmsbefore 24.10.024.10.0Patch availableCNA
—librenms/librenms (Packagist)before 24.10.024.10.0Patch availableGHSA-4m5r-w2rq-q54q
  • librenms Vendorlibrenms Affected before 24.10.0 Fixed in 24.10.0 Patch available CNA
  • librenms/librenms (Packagist) Vendor— Affected before 24.10.0 Fixed in 24.10.0 Patch available GHSA-4m5r-w2rq-q54q

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*before 24.10.0Vulnerablelibrenms
  • cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:* Versions before 24.10.0 Vulnerable ·librenms

Remediation

  • Fix · CNA librenms (librenms) Fixed in 24.10.0
  • Fix · GHSA-4m5r-w2rq-q54q librenms/librenms (Packagist) Fixed in 24.10.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-50355
  2. 2026-10-03 Alias added: GHSA-4m5r-w2rq-q54q

References

  • TI-2018-14479 LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the… CVSS 3.0CRITICAL 9.8
  • TI-2026-59134 LibreNMS before 26.8.0 Authentication Bypass via API Token Type Confusion CVSS 4.0CRITICAL 9.2
  • TI-2022-03735 Insufficient Session Expiration in librenms/librenms CVSS 3.1CRITICAL 9.8
  • TI-2022-03252 Deserialization of Untrusted Data in librenms/librenms CVSS 3.1HIGH 8.8
  • TI-2026-05445 OS command injection in librenms CVSS 4.0HIGH 8.5
  • TI-2024-34235 LibreNMS before 24.10.0 allows a remote attacker to execute arbitrary code via OS command… CVSS 3.1CRITICAL 9.1
See all 105 →

Sources