8.1

CVE-2021-32641: auth0 lock Cross-site Scripting

CVSS: 8.1v3.1HighModified
AliasesGHSA-jr3j-whm4-9wwm
Published 04-06-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-32641 is a high (CVSS 8.1) Cross-site Scripting vulnerability in auth0 lock. EPSS estimates a 1.54% chance of exploitation in the next 30 days, higher than 74.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
43/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
1.54%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 04-06-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

auth0-lock is Auth0's signin solution. Versions of nauth0-lock before and including `11.30.0` are vulnerable to reflected XSS. An attacker can execute arbitrary code when the library's `flashMessage` feature is utilized and user input or data from URL parameters is incorporated into the `flashMessage` or the library's `languageDictionary` feature is utilized and user input or data from URL parameters is incorporated into the `languageDictionary`. The vulnerability is patched in version 11.30.1.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.54%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.54% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.54%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Lock

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Auth01 product
  • lock≤ 11.30.0 | < 11.30.1
Npm1 product
  • auth0-lock< 11.30.1

2 vendors · 2 products

References

4 links