auth0-js Privilege Escalation Vulnerability

Description

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 users’ tokens and invoke services on a user’s behalf if the target site or application uses a popup callback page with auth0.popup.callback().

Recommendation

Update the auth0-js package to the latest compatible version. Followings are version details:

• Affected version(s): < 8.12.0
• Patched version(s): 8.12.0

References

• GHSA-3rpr-mg43-xhq4
• appcheck-ng.com
• auth0.com
• CVE-2017-17068
• CWE-200
• CAPEC-310
• OWASP 2021-A1
• OWASP 2021-A6

Related Issues

• Paperclip: Privilege Escalation via Agent-Controlled workspaceStrategy.provisionCommand Leading to OS Command Execution - CVE-2026-41208
• mongosh vulnerable to local privilege escalation - CVE-2025-1756
• StudioCMS has Privilege Escalation via Insecure API Token Generation - CVE-2026-30944
• Moderate severity vulnerability that affects marked - CVE-2017-17461

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Tags:

npm

auth0-js