What is CVE-2020-15119?

CVE-2020-15119 is a medium-severity vulnerability in Auth0 Lock, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2020-08-20.

How severe is CVE-2020-15119?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2020-15119 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Auth0 Lock

CVE-2020-15119

In auth0-lock versions before and including 11.25.1, dangerouslySetInnerHTML is used to update the DOM. When dangerouslySetInnerHTML is used, the application and its users might be exposed to cross-site scripting (XSS) attacks.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (42.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N.

Affected products

Auth0 Lock — versions <= 11.25.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ossf-cve-benchmark/CVE-2020-15119

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-15119?: CVE-2020-15119 is a medium-severity vulnerability in Auth0 Lock, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2020-08-20.
How severe is CVE-2020-15119?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2020-15119 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.