CVE-2019-20174 — MEDIUM (6.1)

Q: What is CVE-2019-20174?

CVE-2019-20174 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Auth0 Lock before 11.21.0 allows XSS when additionalSignUpFields is used with an untrusted placeholder.

Q: How severe is CVE-2019-20174?

CVE-2019-20174 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2019-20174?

Check the references section above for vendor advisories and patch information. Affected products include: Auth0 Lock.

Vulnerability Description

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

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Auth0	Lock	< 11.21.0

Related Weaknesses (CWE)

CWE-79

References

https://auth0.com/docs/security/bulletins/cve-2019-20174ExploitVendor Advisory
https://github.com/auth0/lock/releases/tag/v11.21.0Release NotesThird Party Advisory
https://auth0.com/docs/security/bulletins/cve-2019-20174ExploitVendor Advisory
https://github.com/auth0/lock/releases/tag/v11.21.0Release NotesThird Party Advisory

FAQ

What is CVE-2019-20174?

CVE-2019-20174 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Auth0 Lock before 11.21.0 allows XSS when additionalSignUpFields is used with an untrusted placeholder.

How severe is CVE-2019-20174?

CVE-2019-20174 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-20174?

Check the references section above for vendor advisories and patch information. Affected products include: Auth0 Lock.