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 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| report@snyk.io | 9.9 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H | 3.9 | 5.3 |
CVSS 2.0
Severity: HIGH
Problem Type: CWE-79,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| hello.js_project | hello.js | * |
Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 3.9 | 5.9 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| hello.js_project | hello.js | 1.18.6 |