{"cve":"CVE-2021-32641","nvd":{"published":"2021-06-04T21:15:07.573","modified":"2026-06-17T03:53:19.857","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/auth0/lock/commit/d139cf01c8234b07caf265e051f39d3eab08f7ed","https://github.com/auth0/lock/releases/tag/v11.30.1","https://github.com/auth0/lock/security/advisories/GHSA-jr3j-whm4-9wwm","https://github.com/auth0/lock/commit/d139cf01c8234b07caf265e051f39d3eab08f7ed","https://github.com/auth0/lock/releases/tag/v11.30.1"],"products":["auth0:lock"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-32641","score":0.01539,"percentile":0.74901,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jr3j-whm4-9wwm","url":"https://osv.dev/vulnerability/GHSA-jr3j-whm4-9wwm","summary":"Reflected XSS when using flashMessages or languageDictionary","modified":"2026-07-08T06:00:58.295148741Z","packages":[{"ecosystem":"npm","name":"auth0-lock","purl":"pkg:npm/auth0-lock","ranges":["<11.30.1"],"fixed":["11.30.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}