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HIGH

GHSA-4xc9-xhrj-v574

Prototype Pollution in lodash

Quick fix

GHSA-4xc9-xhrj-v574 — lodash: upgrade to the fixed version with the command below.

npm install lodash@4.17.11

Details

Versions of `lodash` before 4.17.11 are vulnerable to prototype pollution.

The vulnerable functions are 'defaultsDeep', 'merge', and 'mergeWith' which 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 to version 4.17.11 or later.

Are you affected?

Enter the version of the package you're using.

Affected packages

npm/lodash
Introduced in: 0Fixed in: 4.17.11
Fixnpm install lodash@4.17.11
RubyGems/lodash-rails
Introduced in: 0Fixed in: 4.17.11
Fixbundle update lodash-rails

References