Advisory Weakness Curation

Prototype Pollution in mixin-deep Versions of `mixin-deep` before 1.3.1 are vulnerable to prototype pollution via merging functions. ## Recommendation Update to version 1.3.1 or later.

Improper Input Validation mixin-deep node suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, 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.