CVE-2024-50351: LibreNMS has a Reflected XSS ('Cross-site Scripting') in librenms/includes/functions.php

November 15, 2024

A Reflected Cross-Site Scripting (XSS) vulnerability in the “section” parameter of the “logs” tab of a device allows attackers to inject arbitrary JavaScript. This vulnerability results in the execution of malicious code when a user accesses the page with a malicious “section” parameter, potentially compromising their session and enabling unauthorized actions. The issue arises from a lack of sanitization in the “report_this()” function.

References

github.com/advisories/GHSA-v7w9-63xh-6r3w
github.com/librenms/librenms
github.com/librenms/librenms/commit/6a14a9bd767c6e452e4df77a24126c3eeb93dcbf
github.com/librenms/librenms/security/advisories/GHSA-v7w9-63xh-6r3w
nvd.nist.gov/vuln/detail/CVE-2024-50351

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