BaseFortify

Publication date: 2025-11-18

Last updated on: 2025-11-20

Assigner: GitHub, Inc.

Description

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Prior to version 25.11.0, a reflected cross-site scripting (XSS) vulnerability was identified in the LibreNMS application at the /maps/nodeimage endpoint. The Image Name parameter is reflected in the HTTP response without proper output encoding or sanitization, allowing an attacker to craft a URL that, when visited by a victim, causes arbitrary JavaScript execution in the victim’s browser. This issue has been patched in version 25.11.0.

CVSS Scores

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Meta Information

Published

2025-11-18

Last Modified

2025-11-20

Generated

2026-07-06

AI Q&A

2025-11-19

EPSS Evaluated

2026-07-05

NVD

CVE-2025-65013

Affected Vendors & Products

Vendor	Product	Version / Range
librenms	librenms	to 25.11.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a reflected cross-site scripting (XSS) issue in the LibreNMS application at the /maps/nodeimage endpoint. The Image Name parameter is reflected in the HTTP response without proper encoding or sanitization, allowing an attacker to craft a malicious URL. When a victim visits this URL, arbitrary JavaScript can execute in their browser.

Impact Analysis

An attacker can exploit this vulnerability to execute arbitrary JavaScript in the victim's browser, potentially leading to session hijacking, unauthorized actions on behalf of the user, or exposure of sensitive information within the context of the affected application.

Mitigation Strategies

Upgrade LibreNMS to version 25.11.0 or later, as this version contains the patch that fixes the reflected cross-site scripting (XSS) vulnerability at the /maps/nodeimage endpoint.

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