Vulnerability library
Security checkJanuary 09, 2023

Prototype Pollution in lodash.defaultsdeep - lodash.defaultsdeep

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High severitynpmlodash.defaultsdeep

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Description

Versions of lodash.defaultsdeep before 4.6.1 are vulnerable to prototype pollution. The function mergeWith may allow a malicious user to modify the prototype of Object via {constructor: {prototype: {...}}} causing the addition or modification of an existing property that will exist on all objects.

Recommendation

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

  • Affected version(s): < 4.6.1
  • Patched version(s): 4.6.1

References

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See something that needs correcting? Let us knowUpdated January 09, 2023