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High

LibreNMS uses Improper Sanitization on Service template name leads to Stored XSS

  • Disclosed: 22.04.2024
  • Updated: 11.10.2026 10:22

Summary

There is improper sanitization on Service template name which is reflecting in delete button onclick event. This value can be modified and crafted as any other javascript code.

Vulnerable Code

https://github.com/librenms/librenms/blob/a61c11db7e8ef6a437ab55741658be2be7d14d34/app/Http/Controllers/ServiceTemplateController.php#L67C23-L67C23

Above is vulnerable code line which needs to be properly sanitized

PoC

  1. Go to /services/templates
  2. Enter name as testing', '14', 'http://172.105.62.194:8000/services/templates/14');alert(1);//
  3. Submit it and try to delete it, you will see popup

If you inspect element on delete button, you will notice this:- <img width="748" alt="Screenshot 2023-11-23 at 9 30 24 PM" src="https://user-images.githubusercontent.com/31764504/285260018-7672a93d-e29b-4444-8057-e6ffcb8dabfc.png">

Impact

Cross site scripting can lead to cookie stealing or an attacker can execute any other feature using this feature.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package librenms/librenms < 24.4.0 24.4.0

References

CVSS score 7.1/10
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-79
Platform
Composer
Package
librenms/librenms
Disclosed
22.04.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-72m9-7c8x-pmmw - CC BY 4.0

Vulnerability history: librenms/librenms

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (106) in the archive
Total entries
106
First → latest
10.2019 08.2026
Without a fix
6
Exploited in attacks
0

Severity breakdown

  • Critical 5
  • High 39
  • Medium 56
  • Low 6

Disclosures per year

Severity:
  1. LibreNMS — Stored XSS via SNMP/Syslog Data in Legacy Templates
    High · 7.1 CVE-2026-84192 < 26.5.0 26.5.0
  2. LibreNMS: SSRF-driven stored XSS via Oxidized API response fields in device showconfig page
    High · 8.1 CVE-2026-84189 < 26.7.0 26.7.0
  3. LibreNMS Vulnerable to Remote Code Execution by Signal Alert Transportation module
    High CVE-2026-55182 >= 21.6.0, < 26.5.0 26.5.0
  4. LibreNMS is Vulnerable to Remote Code Execution by Arbitrary File Write
    High CVE-2026-6204 >= 1.48, < 26.3.0 26.3.0
  5. LibreNMS has a Time-Based Blind SQL Injection in address-search.inc.php
    High · 8.8 CVE-2026-26990 < 26.2.0 26.2.0
  6. LibreNMS: SQL Injection in ajax_table.php spreads through a covert data stream.
    High CVE-2026-26988 < 26.2.0 26.2.0
  7. LibreNMS contains an authenticated SQL Injection vulnerability
    High · 7.1 CVE-2020-36947 <= 1.46 no fix
  8. LibreNMS has Authenticated Remote File Inclusion in ajax_form.php that Allows RCE
    High · 7.5 CVE-2025-54138 < 25.7.0 25.7.0
  9. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/device/services.inc.php
    High · 7.5 CVE-2024-52526 < 24.10.0 24.10.0
  10. LibreNMS has an Authenticated OS Command Injection
    Critical · 9.1 CVE-2024-51092 < 24.10.0 24.10.0
  11. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/print-customoid.php
    High · 7.5 CVE-2024-51497 < 24.10.0 24.10.0
  12. LibreNMS has a Reflected XSS ('Cross-site Scripting') in librenms/includes/html/pages/wireless.inc.php
    High · 7.5 CVE-2024-51496 < 24.10.0 24.10.0
  13. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/dev-overview-data.inc.php
    High · 7.5 CVE-2024-51495 < 24.10.0 24.10.0
  14. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/app/Http/Controllers/Table/EditPortsController.php
    High · 7.5 CVE-2024-51494 < 24.10.0 24.10.0
  15. LibreNMS has a Persistent XSS from Insecure Input Sanitization Affects Multiple Endpoints
    High · 7.2 CVE-2024-50355 < 24.10.0 24.10.0
  16. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/device/overview/services.inc.php
    High · 7.5 CVE-2024-50352 < 24.10.0 24.10.0
  17. LibreNMS has a Reflected XSS ('Cross-site Scripting') in librenms/includes/functions.php
    High · 7.5 CVE-2024-50351 < 24.10.0 24.10.0
  18. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/app/Http/Controllers/Table/EditPortsController.php
    High · 7.5 CVE-2024-50350 < 24.10.0 24.10.0
  19. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/device/capture.inc.php
    High · 7.5 CVE-2024-49764 < 24.10.0 24.10.0
  20. Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/edituser.inc.php
    High · 7.5 CVE-2024-49759 < 24.10.0 24.10.0
  21. LibreNMS has a stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/api-access.inc.php
    High · 7.5 CVE-2024-49754 < 24.10.0 24.10.0
  22. LibreNMS has Stored Cross-site Scripting vulnerability in "Device Group" Name
    High · 7.2 CVE-2024-47524 < 24.9.0 24.9.0
  23. LibreNMS vulnerable to a Time-Based Blind SQL injection leads to database extraction
    High · 7.2 CVE-2024-32480 < 24.4.0 24.4.0
  24. LibreNMS uses Improper Sanitization on Service template name leads to Stored XSS this entry
    High · 7.1 CVE-2024-32479 < 24.4.0 24.4.0
  25. LibreNMS vulnerable to SQL injection time-based leads to database extraction
    High · 8.8 CVE-2024-32461 < 24.4.0 24.4.0
  26. SQL injection in librenms/librenms
    High · 7.8 CVE-2023-5591 < 23.10.0 23.10.0
  27. Cross site scripting in librenms
    High · 8.4 CVE-2023-5060 < 23.9.1 23.9.1
  28. LibreNMS Cross-site Scripting vulnerability
    High · 7.6 CVE-2023-4347 < 23.8.0 23.8.0
  29. Deserialization of Untrusted Data in librenms/librenms
    High · 8.8 CVE-2022-3525 < 22.10.0 22.10.0
  30. Cross-site Scripting in librenms/librenms
    High · 7.6 CVE-2022-4068 < 22.10.0 22.10.0
  31. Insufficient Session Expiration in librenms/librenms
    Critical · 9.8 CVE-2022-4070 < 22.10.0 22.10.0
  32. Command injection in librenms
    High CVE-2022-29712 < 22.4.0 22.4.0
  33. LibreNMS Information Disclosure
    Critical · 9.8 CVE-2019-10665 <= 1.47 no fix
  34. LibreNMS arbitrary OS commands execution
    Critical · 9.8 CVE-2018-20434 = 1.46 no fix
  35. LibreNMS SQL Injection
    High · 8.8 CVE-2018-20678 < 1.65 1.65
  36. Improper Access Control in librenms
    High · 7.1 CVE-2022-0580 < 22.2.0 22.2.0
  37. Improper Authorization in librenms
    High · 7.1 CVE-2022-0587 < 22.2.0 22.2.0
  38. Path traversal in librenms/librenms
    Critical · 9.8 CVE-2021-44278 <= 21.11.0 no fix
  39. Exposure of Resource to Wrong Sphere in LibreNMS
    High · 8.8 CVE-2020-15877 < 1.65.1 1.65.1
  40. SQL Injection in librenms
    High · 8.8 CVE-2020-35700 < 21.1.0 21.1.0
Show more (4) Showing 40 of 44

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