CVE-2024-50355

Public Exploit

LibreNMS has a Persistent XSS from Insecure Input Sanitization Affects Multiple Endpoints

Description

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. User with Admin role can edit the Display Name of a device, the application did not properly sanitize the user input in the device Display Name, if java script code is inside the name of the device Display Name, its can be trigger from different sources. This vulnerability is fixed in 24.10.0.

References

Link	Tags
https://github.com/librenms/librenms/security/advisories/GHSA-4m5r-w2rq-q54q	vendor advisory exploit
https://github.com/librenms/librenms/commit/bb4731419b592867bf974dde525e536606a52976	patch

Frequently Asked Questions

What is the severity of CVE-2024-50355?: CVE-2024-50355 has been scored as a medium severity vulnerability.
How to fix CVE-2024-50355?: To fix CVE-2024-50355, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-50355 being actively exploited in the wild?: It is possible that CVE-2024-50355 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-50355?: CVE-2024-50355 affects librenms librenms.

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Description

Category

CWE-79 – Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

Frequently Asked Questions