Security advisory

{
  "id": "f2a17c7b0e876730b999e95f0b479bdf8fe8356fcb82a66340b14314ec59c380",
  "url": "https://osv.dev/vulnerability/CVE-2021-32641",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-32641",
    "summary": "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.",
    "evidence": "osv:CVE-2021-32641",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-32641",
      "aliases": [
        "CVE-2021-32641",
        "GHSA-jr3j-whm4-9wwm"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/auth0/lock",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "a2f20d96e7ba443cf2bd0fc20c14f51f51e25717"
                },
                {
                  "fixed": "d139cf01c8234b07caf265e051f39d3eab08f7ed"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:auth0:lock:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "11.30.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d139cf01c8234b07caf265e051f39d3eab08f7ed"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a2f20d96e7ba443cf2bd0fc20c14f51f51e25717"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v11.30.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v11.28.1",
            "v11.26.1",
            "v11.22.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32641.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:45.138757377Z",
      "provider": "osv",
      "references": [
        "https://github.com/auth0/lock/releases/tag/v11.30.1",
        "https://github.com/auth0/lock/commit/d139cf01c8234b07caf265e051f39d3eab08f7ed",
        "https://github.com/auth0/lock/security/advisories/GHSA-jr3j-whm4-9wwm"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-32641",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384577,
  "published_at": "2021-06-04T21:15:07.573+00:00"
}