Description
paypal-adaptive through 0.4.2 manipulation of JavaScript objects resulting in Prototype Pollution. The PayPal function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.
Remediation
References
https://snyk.io/vuln/SNYK-JS-PAYPALADAPTIVE-565089
https://github.com/Ideame/paypal-adaptive-sdk-nodejs/blob/master/lib/paypal-adaptive.js#L31