OpenList (frontend) allows XSS Attacks in the built-in Markdown Viewer

{
  "id": "8dd97dcc1a3514dc3eba2ed9937bfcbe26a29e7520804d6e0be08f3ad74b8c75",
  "url": "https://osv.dev/vulnerability/CVE-2025-50183",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OpenList (frontend) allows XSS Attacks in the built-in Markdown Viewer",
    "summary": "OpenList Frontend is a UI component for OpenList. Prior to version 4.0.0-rc.4, a vulnerability exists in the file preview/browsing feature of the application, where files with a .py extension that contain JavaScript code wrapped in",
    "evidence": "osv:CVE-2025-50183",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-50183",
      "aliases": [
        "CVE-2025-50183",
        "GHSA-2hw3-h8qx-hqqp"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openlistteam/openlist-frontend",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e9460e33c68951efb5205492c0c273a657ca88ee"
                },
                {
                  "fixed": "7b5ed20c608c7b9b36d1950a386678e0a89f8175"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.0.0-rc.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "7b5ed20c608c7b9b36d1950a386678e0a89f8175"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.0.0-rc.3",
            "v4.0.0-rc.2",
            "v4.0.0-rc.1",
            "v0.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-50183.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.162726914Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50183.json",
        "https://github.com/OpenListTeam/OpenList/security/advisories/GHSA-2hw3-h8qx-hqqp",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-50183",
        "https://github.com/OpenListTeam/OpenList-Frontend/commit/7b5ed20c608c7b9b36d1950a386678e0a89f8175"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/50xxx/CVE-2025-50183.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-50183",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509928,
  "published_at": "2025-06-19T02:20:32.618+00:00"
}