Medium

Prototype Pollution in smart-extend

  • Disclosed: 02.09.2020
  • Updated: 11.10.2026 10:22

All versions of smart-extend are vulnerable to Prototype Pollution. The deep() function allows attackers to modify the prototype of Object causing the addition or modification of an existing property that will exist on all objects.

Recommendation

No fix is currently available. Consider using an alternative module until a fix is made available.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package smart-extend all versions no fix

References

CVSS score -
Weakness (CWE)
CWE-1321
Platform
npm
Package
smart-extend
Disclosed
02.09.2020
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-f8h3-rqrm-47v9 - CC BY 4.0

Vulnerability history: smart-extend

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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