Security advisory

{
  "id": "1fdb7f9e1244d0be3c42eb179a18d1297eaf517d17e766a670cf60fe32072da7",
  "url": "https://osv.dev/vulnerability/CVE-2021-37524",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-37524",
    "summary": "Cross Site Scripting (XSS) vulnerability in FusionPBX 4.5.26 allows remote unauthenticated users to inject arbitrary web script or HTML via an unsanitized \"path\" parameter in resources/login.php.",
    "evidence": "osv:CVE-2021-37524",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-37524",
      "aliases": [
        "CVE-2021-37524"
      ],
      "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/fusionpbx/fusionpbx",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6c0f1677338fec640ab27a1b0a2ab38f85986500"
                },
                {
                  "fixed": "c3b811393de63e324eaa64fe5c9ea3fce428fe1a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:fusionpbx:fusionpbx:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "5.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "c3b811393de63e324eaa64fe5c9ea3fce428fe1a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37524.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:51.259570523Z",
      "provider": "osv",
      "references": [
        "https://www.fusionpbx.com/app/tickets/ticket_edit.php?id=4a0666cd-8c12-46ae-bc0a-02f007b62cdb",
        "https://github.com/fusionpbx/fusionpbx/commit/c3b811393de63e324eaa64fe5c9ea3fce428fe1a"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-37524",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384696,
  "published_at": "2022-07-01T18:15:08.467+00:00"
}