CVE-2021-31274

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
VendorProductVersion
librenmslibrenms
𝑥
< 21.3.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431
https://github.com/librenms/librenms
https://github.com/librenms/librenms/pull/12739
https://community.librenms.org/t/vulnerability-report-cross-site-scripting-xss-in-the-api-access-page/15431
https://github.com/librenms/librenms
https://github.com/librenms/librenms/pull/12739