lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| lodash(npm) | 0 | 4.17.5 | N/A |
| lodash-rails(RubyGems) | 0 | 4.17.5 | N/A |
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