CVE-2025-55296

LibreNMS allows stored XSS in Alert Template name field

Description

librenms is a community-based GPL-licensed network monitoring system. A stored Cross-Site Scripting (XSS) vulnerability exists in LibreNMS (<= 25.6.0) in the Alert Template creation feature. This allows a user with the admin role to inject malicious JavaScript, which will be executed when the template is rendered, potentially compromising other admin accounts. This vulnerability is fixed in 25.8.0.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: librenms librenms
Published at:
Updated at:

References

Link Tags
https://github.com/librenms/librenms/security/advisories/GHSA-vxq6-8cwm-wj99
https://github.com/librenms/librenms/commit/8ade3d827d317f5ac4b336617aafff865f825958

Frequently Asked Questions

What is the severity of CVE-2025-55296?
CVE-2025-55296 has been scored as a medium severity vulnerability.
How to fix CVE-2025-55296?
To fix CVE-2025-55296, 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-2025-55296 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-55296 is being actively exploited. 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-2025-55296?
CVE-2025-55296 affects librenms librenms.
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