CVE-2019-20174

MEDIUM

Auth0 Lock < 11.21.0 - Cross-Site Scripting via Additional Sign-Up Fields Placeholder

Title source: llm
STIX 2.1

Description

Auth0 Lock before 11.21.0 allows XSS when additionalSignUpFields is used with an untrusted placeholder.

References (2)

Core 2
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/auth0/lock/releases/tag/v11.21.0
Exploit, Vendor Advisory x_refsource_confirm
https://auth0.com/docs/security/bulletins/cve-2019-20174

Scores

CVSS v3 6.1
EPSS 0.0072
EPSS Percentile 50.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (2)
auth0/lock < 11.21.0
npm/auth0-lock 0 - 11.21.0npm
Published Feb 03, 2020
Tracked Since Feb 18, 2026