Critical severity9.8NVD Advisory· Published Feb 1, 2019· Updated Jun 17, 2026
CVE-2018-16489
CVE-2018-16489
Description
A prototype pollution vulnerability was found in just-extend <4.0.0 that allows attack to inject properties onto Object.prototype through its functions.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
just-extendnpm | < 4.0.0 | 4.0.0 |
Affected products
3- cpe:2.3:a:just-extend_project:just-extend:*:*:*:*:*:node.js:*:*Range: <4.0.0
- HackerOne/just-extendv5Range: <4.0.0
Patches
Vulnerability mechanics
References
4- hackerone.com/reports/430291nvdExploitIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-675m-85rw-j3w4ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-16489ghsaADVISORY
- www.npmjs.com/advisories/780ghsaWEB
News mentions
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