Vulnerability · Published Nov 9, 2020 · Assigned by hackerone

CVE-2020-8268

High 7.5

In plain English

A high-severity security flaw in json8-merge-patch. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.3%top 29.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Prototype pollution vulnerability in json8-merge-patch npm package < 1.0.3 may allow attackers to inject or modify methods and properties of the global object constructor.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmjson8-merge-patch1.0.3GHSA-8v9x-9xqg-r8mr

Affected products (as reported)

VendorProductVersions
n/a json8-merge-patch Fixed Version: 1.0.3

Weakness: CWE-471

References