VULNERABILITY INTELLIGENCE
CVE-2021-26505
CVSS score9.8 CRITICAL
EPSS probability1.14%
CISA KEVNot currently listed
Published2023-08-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.
Weakness classification
- nvd@nist.gov: CWE-1321
Primary references
- cve@mitre.org — Issue Tracking
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking