CVE-2024-50355

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

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.

Affected

librenms

CVSS v3.1 NVD

4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 GitHub

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.32% chance of exploitation in the next 30 days, 24th percentile

Published

2024-11-15

Proof-of-concept exploits (1)

• librenms/librenms/security/advisories/GHSA-4m5r-w2rq-q54q

Security advisories

• advisories/GHSA-4m5r-w2rq-q54q
• librenms/librenms/commit/bb4731419b592867bf974dde525e536606a52976

References

• CVE Record
• NVD entry