CVE-2020-7741

Published: Oct 6, 2020Modified: Jun 17, 2026

9.9

Vector

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

Exploitability: 3.9 / Impact: 5.3

Source: report@snyk.io (Secondary)

Description

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).

Affected (1)

Products: Hello.js Project: Hello.js

Hello.js Project

1 product

Configuration A

1 vulnerable

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

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (6)

https://github.com/MrSwitch/hello.js/blob/3b79ec93781b3d7b9c0b56f598e060301d1f3e73/dist/hello.all.js%23L1545

Source: report@snyk.io

Broken Link

https://github.com/MrSwitch/hello.js/commit/d6f5137f30de6e0ef7048191ee6ae575fdc2f669

Source: report@snyk.io

PatchThird Party Advisory

https://snyk.io/vuln/SNYK-JS-HELLOJS-1014546

Source: report@snyk.io

Third Party Advisory

https://github.com/MrSwitch/hello.js/blob/3b79ec93781b3d7b9c0b56f598e060301d1f3e73/dist/hello.all.js%23L1545

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

Broken Link

https://github.com/MrSwitch/hello.js/commit/d6f5137f30de6e0ef7048191ee6ae575fdc2f669

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

PatchThird Party Advisory

https://snyk.io/vuln/SNYK-JS-HELLOJS-1014546

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

Third Party Advisory

Timeline

No history available yet.