CVE-2024-49764: LibreNMS has a Stored XSS ('Cross-site Scripting') in librenms/includes/html/pages/device/capture.inc.php

November 15, 2024

A Stored Cross-Site Scripting (XSS) vulnerability in the “Capture Debug Information” page allows authenticated users to inject arbitrary JavaScript through the “hostname” parameter when creating a new device. This vulnerability results in the execution of malicious code when the “Capture Debug Information” page is visited, redirecting the user and sending non-httponly cookies to an attacker-controlled domain.

References

github.com/advisories/GHSA-rmr4-x6c9-jc68
github.com/librenms/librenms
github.com/librenms/librenms/commit/af15eabbb1752985d36f337cecf137a947e170f6
github.com/librenms/librenms/security/advisories/GHSA-rmr4-x6c9-jc68
nvd.nist.gov/vuln/detail/CVE-2024-49764

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