CVE-2021-26505

Published: Aug 11, 2023Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.

Affected (1)

Products: Hello.js Project: Hello.js

Hello.js Project

1 product

Hello.js

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Hello.js Project Hello.js	Version 1.18.6

Related CWEs

CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

References (2)

https://github.com/MrSwitch/hello.js/issues/634

Source: cve@mitre.org

Issue Tracking

https://github.com/MrSwitch/hello.js/issues/634

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking

Timeline

No history available yet.