CVE-2019-20174 Details
Description
Auth0 Lock before 11.21.0 allows XSS when additionalSignUpFields is used with an untrusted placeholder.
A cross-site scripting (XSS) vulnerability exists in Auth0 Lock versions prior to 11.21.0. The issue arises when the 'additionalSignUpFields' feature is used with an untrusted placeholder, allowing for the injection of malicious scripts.
Users can upgrade to Auth0 Lock version 11.21.0 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://auth0.com/docs/security/bulletins/cve-2019-20174 | CVE | ExploitVendor Advisory |
| https://github.com/auth0/lock/releases/tag/v11.21.0 | CVE | Release NotesThird Party Advisory |
| https://auth0.com/docs/security/bulletins/cve-2019-20174 | [email protected] | ExploitVendor Advisory |
| https://github.com/auth0/lock/releases/tag/v11.21.0 | [email protected] | Release NotesThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| auth0 lock | < 11.21.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Feb 5, 2020 | Initial Analysis | [email protected] |