Security advisory

{
  "id": "b9a578958c43511177baacc066df4fd9a046de2b918e3d2f851b289ad52b3325",
  "url": "https://osv.dev/vulnerability/CVE-2019-10721",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-10721",
    "summary": "BlogEngine.NET 3.3.7.0 allows a Client Side URL Redirect via the ReturnUrl parameter, related to BlogEngine/BlogEngine.Core/Services/Security/Security.cs, login.aspx, and register.aspx.",
    "evidence": "osv:CVE-2019-10721",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-10721",
      "aliases": [
        "CVE-2019-10721"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/BlogEngine/BlogEngine.NET",
              "type": "GIT",
              "events": [
                {
                  "introduced": "612164e60f1c47d74e8bdcdf334f8e991d16873b"
                },
                {
                  "last_affected": "612164e60f1c47d74e8bdcdf334f8e991d16873b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:dotnetblogengine:blogengine.net:3.3.7.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.3.7.0"
                      },
                      {
                        "last_affected": "3.3.7.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.3.7.0",
            "v3.3.7.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10721.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:38.042937115Z",
      "provider": "osv",
      "references": [
        "https://github.com/rxtur/BlogEngine.NET/commits/master",
        "https://www.securitymetrics.com/blog/Blogenginenet-Directory-Traversal-Listing-Login-Page-Unvalidated-Redirect"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-10721",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381929,
  "published_at": "2019-07-03T16:15:10.833+00:00"
}