Security advisory

{
  "id": "5dbd35d459d5e6d5502bbcaa79ea36e5fdf4700efe61a1d77ea465bdefc6713f",
  "url": "https://osv.dev/vulnerability/CVE-2021-4270",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-4270",
    "summary": "A vulnerability was found in Imprint CMS. It has been classified as problematic. Affected is the function SearchForm of the file ImprintCMS/Models/ViewHelpers.cs. The manipulation of the argument query leads to cross site scripting. It is possible to launch the attack remotely. The name of the patch is 6140b140ccd02b5e4e7d6ba013ac1225724487f4. It is recommended to apply a patch to fix this issue. VDB-216474 is the identifier assigned to this vulnerability.",
    "evidence": "osv:CVE-2021-4270",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-4270",
      "aliases": [
        "CVE-2021-4270"
      ],
      "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/peders/imprint-cms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6140b140ccd02b5e4e7d6ba013ac1225724487f4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "6140b140ccd02b5e4e7d6ba013ac1225724487f4"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4270.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:01.450521893Z",
      "provider": "osv",
      "references": [
        "https://vuldb.com/?id.216474",
        "https://github.com/peders/Imprint-CMS/commit/6140b140ccd02b5e4e7d6ba013ac1225724487f4"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:imprint_cms_project:imprint_cms:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "imprint_cms_project:imprint_cms",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2021-04-09"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-4270",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386708,
  "published_at": "2022-12-21T19:15:13.683+00:00"
}