Cross-site Scripting in LibreNMS

MEDIUM 6.1CVE-2021-44277 · GHSA-4gwh-2pqx-f5cc · Published 01/12/2021 · updated 17/06/2026

In short

CVE-2021-44277 is a MEDIUM (CVSS 6.1) vulnerability affecting librenms/librenms, librenms (librenms).
Chance of exploitation in the next 30 days (EPSS): 0.65%, higher than 51.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
librenms/librenms Packagist	`≤ 21.11.0`	No fix yet
librenms librenms	`= 21.11.0`	No fix yet

LibreNMS 21.11.0 is affected by is affected by a Cross Site Scripting (XSS) vulnerability in includes/html/common/alert-log.inc.php.

NVD description

Librenms 21.11.0 is affected by a Cross Site Scripting (XSS) vulnerability in includes/html/common/alert-log.inc.php.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

Packagist

≤ 21.11.0

No fix yet

= 21.11.0

No fix yet

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