Privilege Escalation Affecting auth0-js package, versions <8.12.0


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.22% (61st percentile)

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  • Snyk ID npm:auth0-js:20171204
  • published 7 Dec 2017
  • disclosed 4 Dec 2017
  • credit Unknown

Overview

auth0-js is a Client Side Javascript toolkit for Auth0 API.

A cross-origin vulnerability has been discovered in the Auth0 auth0.js library affecting versions < 8.12. This vulnerability allows an attacker to acquire authenticated user's tokens and invoke services on a user's behalf if the target site or application uses a popup callback page with auth0.popup.callback().

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
5.5 medium
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    Low