lib/utils.js in mquery before 3.2.3 allows a pollution attack because a special property (e.g., proto) can be copied during a merge or clone operation.
CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for mquery (npm), the worst rated MODERATE, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does mquery have known vulnerabilities?
Yes. CyberXYZ records 1 known vulnerability for mquery (npm), the worst rated MODERATE. They are GHSA-45q2-34rf-mr94.
Which version of mquery should I use?
3.2.3 or later clears every advisory recorded for mquery (npm). Check the release you pick before installing it.
How do I check mquery before installing?
Search mquery in CyberXYZ Check at https://cyberxyz.io/check?q=mquery. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 07:48 UTC. The most recent advisory here was published 2020-12-18. Updated continuously from NVD, GHSA, OSV and CNA feeds.