CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for log4js (npm), the worst rated MODERATE, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does log4js have known vulnerabilities?
Yes. CyberXYZ records 1 known vulnerability for log4js (npm), the worst rated MODERATE. They are GHSA-82v2-mx6x-wq7q.
Which version of log4js should I use?
6.4.0 or later clears every advisory recorded for log4js (npm). Check the release you pick before installing it.
How do I check log4js before installing?
Search log4js in CyberXYZ Check at https://cyberxyz.io/check?q=log4js. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 07:03 UTC. The most recent advisory here was published 2022-01-21. Updated continuously from NVD, GHSA, OSV and CNA feeds.