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LibreNMS Ports Stored Cross-site Scripting vulnerability

  • Publicada: 16.01.2025
  • Actualizado: 11.10.2026 10:22

StoredXSS-LibreNMS-Ports

Description:

Stored XSS on the parameter: /ajax_form.php -> param: descr

Request:

http
POST /ajax_form.php HTTP/1.1
Host: <your_host>
X-Requested-With: XMLHttpRequest
X-CSRF-TOKEN: <your_XSRF_token>
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Cookie: <your_cookie>

type=update-ifalias&descr=%22%3E%3Cimg+src+onerror%3D%22alert(1)%22%3E&ifName=lo&port_id=1&device_id=1

of Librenms version 24.10.1 (https://github.com/librenms/librenms) allows remote attackers to inject malicious scripts. When a user views or interacts with the page displaying the data, the malicious script executes immediately, leading to potential unauthorized actions or data exposure.

Proof of Concept:

  1. Add a new device through the LibreNMS interface.
  2. Edit the newly created device and select the "ports" section.
  3. In the "Description" field, enter the following payload: "><img src onerror="alert(1)">.
  4. Save the changes.
  5. The XSS vulnerability is triggered when accessing the "ports" tab, and the payload is executed again when hovering over the modified value in the "Port" field.

Payload: payload

Executes: image The script execution vulnerability in the description field, as shown in the image, occurs at Line 63 of functions.inc.php

php
$overlib_content = '<div class=overlib><span class=overlib-text>' . $text . '</span><br />';

image

Impact:

Execution of Malicious Code

Software afectado

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PlataformaPaqueteVersiones vulnerablesCorregida en
Paquete de Composer librenms/librenms < 24.11.0 24.11.0

Referencias

Puntuación CVSS 4.6/10
Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Debilidad (CWE)
CWE-79
Plataforma
Composer
Paquete
librenms/librenms
Publicada
16.01.2025
Actualizado
11.10.2026 10:22

Fuentes y licencias

OSV / GitHub Advisory Database - GHSA-27vf-3g4f-6jp7 - CC BY 4.0

Historial de vulnerabilidades: librenms/librenms

Todas las vulnerabilidades publicadas de este paquete (Paquete de Composer), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.

Todas (106) en el archivo
Entradas en total
106
Primera → última
10.2019 08.2026
Sin corrección
6
Explotada en ataques
0

Distribución por gravedad

  • Crítica 5
  • Alta 39
  • Media 56
  • Baja 6

Divulgaciones por año

Gravedad:
  1. LibreNMS — Stored XSS via SNMP/Syslog Data in Legacy Templates
    Alta · 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
    Alta · 8.1 CVE-2026-84189 < 26.7.0 26.7.0
  3. LibreNMS Vulnerable to Remote Code Execution by Signal Alert Transportation module
    Alta CVE-2026-55182 >= 21.6.0, < 26.5.0 26.5.0
  4. LibreNMS is Vulnerable to Remote Code Execution by Arbitrary File Write
    Alta 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
    Alta · 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.
    Alta CVE-2026-26988 < 26.2.0 26.2.0
  7. LibreNMS contains an authenticated SQL Injection vulnerability
    Alta · 7.1 CVE-2020-36947 <= 1.46 sin corrección
  8. LibreNMS has Authenticated Remote File Inclusion in ajax_form.php that Allows RCE
    Alta · 7.5 CVE-2025-54138 < 25.7.0 25.7.0
  9. LibreNMS Ports Stored Cross-site Scripting vulnerability esta entrada
    Media · 4.6 CVE-2025-23199 < 24.11.0 24.11.0
  10. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/device/services.inc.php
    Alta · 7.5 CVE-2024-52526 < 24.10.0 24.10.0
  11. LibreNMS has an Authenticated OS Command Injection
    Crítica · 9.1 CVE-2024-51092 < 24.10.0 24.10.0
  12. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/print-customoid.php
    Alta · 7.5 CVE-2024-51497 < 24.10.0 24.10.0
  13. LibreNMS has a Reflected XSS ('Cross-site Scripting') in librenms/includes/html/pages/wireless.inc.php
    Alta · 7.5 CVE-2024-51496 < 24.10.0 24.10.0
  14. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/dev-overview-data.inc.php
    Alta · 7.5 CVE-2024-51495 < 24.10.0 24.10.0
  15. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/app/Http/Controllers/Table/EditPortsController.php
    Alta · 7.5 CVE-2024-51494 < 24.10.0 24.10.0
  16. LibreNMS has a Persistent XSS from Insecure Input Sanitization Affects Multiple Endpoints
    Alta · 7.2 CVE-2024-50355 < 24.10.0 24.10.0
  17. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/device/overview/services.inc.php
    Alta · 7.5 CVE-2024-50352 < 24.10.0 24.10.0
  18. LibreNMS has a Reflected XSS ('Cross-site Scripting') in librenms/includes/functions.php
    Alta · 7.5 CVE-2024-50351 < 24.10.0 24.10.0
  19. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/app/Http/Controllers/Table/EditPortsController.php
    Alta · 7.5 CVE-2024-50350 < 24.10.0 24.10.0
  20. LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/device/capture.inc.php
    Alta · 7.5 CVE-2024-49764 < 24.10.0 24.10.0
  21. Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/edituser.inc.php
    Alta · 7.5 CVE-2024-49759 < 24.10.0 24.10.0
  22. LibreNMS has a stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/api-access.inc.php
    Alta · 7.5 CVE-2024-49754 < 24.10.0 24.10.0
  23. LibreNMS has Stored Cross-site Scripting vulnerability in "Device Group" Name
    Alta · 7.2 CVE-2024-47524 < 24.9.0 24.9.0
  24. LibreNMS vulnerable to a Time-Based Blind SQL injection leads to database extraction
    Alta · 7.2 CVE-2024-32480 < 24.4.0 24.4.0
  25. LibreNMS uses Improper Sanitization on Service template name leads to Stored XSS
    Alta · 7.1 CVE-2024-32479 < 24.4.0 24.4.0
  26. LibreNMS vulnerable to SQL injection time-based leads to database extraction
    Alta · 8.8 CVE-2024-32461 < 24.4.0 24.4.0
  27. SQL injection in librenms/librenms
    Alta · 7.8 CVE-2023-5591 < 23.10.0 23.10.0
  28. Cross site scripting in librenms
    Alta · 8.4 CVE-2023-5060 < 23.9.1 23.9.1
  29. LibreNMS Cross-site Scripting vulnerability
    Alta · 7.6 CVE-2023-4347 < 23.8.0 23.8.0
  30. Deserialization of Untrusted Data in librenms/librenms
    Alta · 8.8 CVE-2022-3525 < 22.10.0 22.10.0
  31. Cross-site Scripting in librenms/librenms
    Alta · 7.6 CVE-2022-4068 < 22.10.0 22.10.0
  32. Insufficient Session Expiration in librenms/librenms
    Crítica · 9.8 CVE-2022-4070 < 22.10.0 22.10.0
  33. Command injection in librenms
    Alta CVE-2022-29712 < 22.4.0 22.4.0
  34. LibreNMS Information Disclosure
    Crítica · 9.8 CVE-2019-10665 <= 1.47 sin corrección
  35. LibreNMS arbitrary OS commands execution
    Crítica · 9.8 CVE-2018-20434 = 1.46 sin corrección
  36. LibreNMS SQL Injection
    Alta · 8.8 CVE-2018-20678 < 1.65 1.65
  37. Improper Access Control in librenms
    Alta · 7.1 CVE-2022-0580 < 22.2.0 22.2.0
  38. Improper Authorization in librenms
    Alta · 7.1 CVE-2022-0587 < 22.2.0 22.2.0
  39. Path traversal in librenms/librenms
    Crítica · 9.8 CVE-2021-44278 <= 21.11.0 sin corrección
  40. Exposure of Resource to Wrong Sphere in LibreNMS
    Alta · 8.8 CVE-2020-15877 < 1.65.1 1.65.1
  41. SQL Injection in librenms
    Alta · 8.8 CVE-2020-35700 < 21.1.0 21.1.0
  42. SQL Injection in LibreNMS
    Alta · 8.8 CVE-2019-10671 < 1.50.1 1.50.1
  43. SQL Injection in LibreNMS
    Alta · 8.1 CVE-2019-12465 < 1.53 1.53
  44. Path Traversal in LibreNMS
    Alta · 7.5 CVE-2019-12464 < 1.53 1.53
  45. Improper Encoding or Escaping of Output and Injection in LibreNMS
    Alta · 8.8 CVE-2019-12463 >= 1.50.1, < 1.53 1.53

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