What’s Vulnerable › Vulnerabilities

CVE-2024-32479: LibreNMS's Improper Sanitization on Service template name leads to Stored XSS

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 34.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-04-22 · updated 2026-06-17
• Weakness: CWE-79

Description

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. Prior to version 24.4.0, there is improper sanitization on the `Service` template name, which can lead to stored Cross-site Scripting. Version 24.4.0 fixes this vulnerability.

Affected products

• librenms: before 24.4.0 — fixed in 24.4.0

How to fix

Upgrade to a fixed version: librenms 24.4.0. Check the vendor advisory for mitigations.

References

• https://github.com/librenms/librenms/blob/a61c11db7e8ef6a437ab55741658be2be7d14d34/app/Http/Controllers/ServiceTemplateController.php#L67C23-L67C23
• https://github.com/librenms/librenms/commit/19344f0584d4d6d4526fdf331adc60530e3f685b
• https://github.com/librenms/librenms/security/advisories/GHSA-72m9-7c8x-pmmw
• https://github.com/librenms/librenms/blob/a61c11db7e8ef6a437ab55741658be2be7d14d34/app/Http/Controllers/ServiceTemplateController.php#L67C23-L67C23
• https://github.com/librenms/librenms/commit/19344f0584d4d6d4526fdf331adc60530e3f685b
• https://github.com/librenms/librenms/security/advisories/GHSA-72m9-7c8x-pmmw

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