Vulnerability CVE-2019-20174
Published: 2020-02-03

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

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Auth0 -> LOCK 

 References:
https://auth0.com/docs/security/bulletins/cve-2019-20174
https://github.com/auth0/lock/releases/tag/v11.21.0
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