Hello.js Project: Security Vulnerabilities
Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.
CVSS Score
9.8
EPSS Score
0.013
Published
2023-08-11
This affects the package hellojs before 1.18.6. The code get the param oauth_redirect from url and pass it to location.assign without any check and sanitisation. So we can simply pass some XSS payloads into the url param oauth_redirect, such as javascript:alert(1).
CVSS Score
9.9
EPSS Score
0.002
Published
2020-10-06