CVE-2021-31274

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

In LibreNMS < 21.3.0, a stored XSS vulnerability was identified in the API Access page due to insufficient sanitization of the $api->description variable. As a result, arbitrary Javascript code can get executed.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431Vendor Advisory
https://github.com/librenms/librenmsProduct, Third Party Advisory
https://github.com/librenms/librenms/pull/12739Patch, Third Party Advisory
https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431Vendor Advisory
https://github.com/librenms/librenmsProduct, Third Party Advisory
https://github.com/librenms/librenms/pull/12739Patch, Third Party Advisory

Timeline

Published: Sep 8, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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