Cross-Site Scripting Vulnerability in Auth0 Lock
CVE-2019-20174

6.1MEDIUM

Key Information:

Vendor

Auth0

Status
Lock
Vendor
CVE Published:
3 February 2020

What is CVE-2019-20174?

Auth0 Lock versions prior to 11.21.0 are susceptible to a Cross-Site Scripting (XSS) vulnerability. This occurs when the 'additionalSignUpFields' feature is used with an untrusted placeholder, potentially allowing an attacker to inject malicious scripts. When users interact with the affected fields, they can be exposed to malicious content, jeopardizing user data and application security. Developers and administrators using affected versions are advised to upgrade to the latest version to mitigate this risk.

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References

https://github.com/auth0/lock/releases/tag/v11.21.0
x_refsource_MISC
https://auth0.com/docs/security/bulletins/cve-2019-20174
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CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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