Security advisory

{
  "id": "cc858960140b7c107ee865909591e37b7a5947bbdc776569b2e4c9e7c7b343b9",
  "url": "https://osv.dev/vulnerability/CVE-2018-11248",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-11248",
    "summary": "util/FileDownloadUtils.java in FileDownloader 1.7.3 does not check an attachment's name. If an attacker places \"../\" in the file name, the file can be stored in an unintended directory because of Directory Traversal.",
    "evidence": "osv:CVE-2018-11248",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-11248",
      "aliases": [
        "CVE-2018-11248"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/lingochamp/filedownloader",
              "type": "GIT",
              "events": [
                {
                  "introduced": "750271c5ecf9117018edaafe23a6a65000c0984c"
                },
                {
                  "last_affected": "750271c5ecf9117018edaafe23a6a65000c0984c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:liulishuo:filedownloader:1.7.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.7.3"
                      },
                      {
                        "last_affected": "1.7.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.7.3",
            "v1.7.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11248.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:42.456465288Z",
      "provider": "osv",
      "references": [
        "https://github.com/lingochamp/FileDownloader/issues/1028"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-11248",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380716,
  "published_at": "2018-05-18T18:29:00.327+00:00"
}