Vulnerability library
Security checkJanuary 29, 2026

Maker.js has Unsafe Property Copying in makerjs.extendObject

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Medium severitynpmmakerjs

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Description

The makerjs.extendObject function copies properties from source objects without proper validation, potentially exposing applications to security risks. The function lacks hasOwnProperty() checks and does not filter dangerous keys, allowing inherited properties and potentially malicious properties to be copied to target objects.

Recommendation

Update the makerjs package to the latest compatible version. Followings are version details:

  • Affected version(s): <= 0.19.1
  • Patched version(s): 0.19.2

References

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Related Issues

See something that needs correcting? Let us knowUpdated January 29, 2026