CVE-2020-7741 Cross-site Scripting (XSS)

2020-10-0600:00:00

snyk

www.cve.org

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.1%

JSON

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).

CNA Affected

[
  {
    "product": "hellojs",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "1.18.6",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]