Security advisory

{
  "id": "122d6a41be15b3c3e7f02cdb812c0f1343845382e457b4ad1741f9de3f21a9c8",
  "url": "https://osv.dev/vulnerability/CVE-2021-4263",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-4263",
    "summary": "A vulnerability, which was classified as problematic, has been found in leanote 2.6.1. This issue affects the function define of the file public/js/plugins/history.js. The manipulation of the argument content leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is 0f9733c890077942150696dcc6d2b1482b7a0a19. It is recommended to apply a patch to fix this issue. The identifier VDB-216461 was assigned to this vulnerability.",
    "evidence": "osv:CVE-2021-4263",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-4263",
      "aliases": [
        "CVE-2021-4263",
        "GHSA-6cmv-2548-82v4"
      ],
      "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/leanote/leanote",
              "type": "GIT",
              "events": [
                {
                  "introduced": "340df9ce16ee65cde43b4d6ca65841187b269a87"
                },
                {
                  "last_affected": "340df9ce16ee65cde43b4d6ca65841187b269a87"
                },
                {
                  "fixed": "0f9733c890077942150696dcc6d2b1482b7a0a19"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:leanote:leanote:2.6.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.6.1"
                      },
                      {
                        "last_affected": "2.6.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "0f9733c890077942150696dcc6d2b1482b7a0a19"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.6.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4263.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:00.723130402Z",
      "provider": "osv",
      "references": [
        "https://vuldb.com/?ctiid.216461",
        "https://vuldb.com/?id.216461",
        "https://github.com/leanote/leanote/commit/0f9733c890077942150696dcc6d2b1482b7a0a19"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-4263",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386674,
  "published_at": "2022-12-21T19:15:12.35+00:00"
}