CVE-2020-7643

Name: CVE-2020-7643
Creator: NVD / NIST
Published: 2020-04-23T15:15:14.983+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2020-7643 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

1.01%

58.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1321

Affected Software

Vendor	Product	Versions
Idea	Paypal-Adaptive	<= 0.4.2

References

https://github.com/Ideame/paypal-adaptive-sdk-nodejs/blob/master/lib/paypal-adaptive.js#L31Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PAYPALADAPTIVE-565089Exploit, Third Party Advisory
https://github.com/Ideame/paypal-adaptive-sdk-nodejs/blob/master/lib/paypal-adaptive.js#L31Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PAYPALADAPTIVE-565089Exploit, Third Party Advisory

Timeline

Published: Apr 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7643?

How severe is CVE-2020-7643?

CVE-2020-7643 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7643?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7643?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST