Security advisory

{
  "id": "39dae860742e71798b8a02e54cebcd6b28eeee382d60dba71a3449145690a060",
  "url": "https://osv.dev/vulnerability/CVE-2023-41471",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-41471",
    "summary": "Cross Site Scripting vulnerability in copyparty before 1.9.2 allows a local attacker to execute arbitrary code via a crafted payload to the WEEKEND-PLANS function. NOTE: this is disputed because WEEKEND-PLANS is accessible only to actors who already have write access to the server, and they can more simply upload HTML files containing JavaScript.",
    "evidence": "osv:CVE-2023-41471",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-41471",
      "aliases": [
        "CVE-2023-41471",
        "PYSEC-2025-240"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/9001/copyparty",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4444f0f6ffe6b37fe052ae77ce1fb1c666ab4d8d"
                },
                {
                  "fixed": "ac21fa7782c575f5687154c3bd16034c7619fed6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:9001:copyparty:1.9.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.9.1"
                      },
                      {
                        "last_affected": "1.9.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ac21fa7782c575f5687154c3bd16034c7619fed6"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.9.2"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.9.1",
            "v1.9.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-41471.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.980454919Z",
      "provider": "osv",
      "references": [
        "https://github.com/9001/copyparty/releases/tag/v1.9.2",
        "https://github.com/Trinity-SYT-SECURITY/XSS_vuln_issue/blob/main/copyparty.md",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41471.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-41471",
        "https://github.com/9001/copyparty"
      ],
      "provider_metadata": {
        "isDisputed": true,
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41471.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-41471",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505136,
  "published_at": "2025-08-29T00:00:00+00:00"
}