Security advisory

{
  "id": "3a4bd2f115e0059f724b654c75a93be7df54524182fbd355fee1e6b77449a824",
  "url": "https://osv.dev/vulnerability/CVE-2021-4254",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-4254",
    "summary": "A vulnerability has been found in ctrlo lenio and classified as problematic. Affected by this vulnerability is an unknown functionality of the file views/layouts/main.tt of the component Notice Handler. The manipulation of the argument notice.notice.text leads to cross site scripting. The attack can be launched remotely. The name of the patch is aa300555343c1c081951fcb68bfb6852fbba7451. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216211.",
    "evidence": "osv:CVE-2021-4254",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-4254",
      "aliases": [
        "CVE-2021-4254"
      ],
      "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/ctrlo/lenio",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "aa300555343c1c081951fcb68bfb6852fbba7451"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "aa300555343c1c081951fcb68bfb6852fbba7451"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4254.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:01.205863967Z",
      "provider": "osv",
      "references": [
        "https://vuldb.com/?id.216211",
        "https://github.com/ctrlo/lenio/commit/aa300555343c1c081951fcb68bfb6852fbba7451"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:ctrlo:lenio:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "ctrlo:lenio",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2021-02-08"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-4254",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386694,
  "published_at": "2022-12-18T22:15:10.393+00:00"
}