Security advisory

{
  "id": "2828670f516e935cc0453d83174a08516e99d8fc65ac925d4352fcc56b0ee026",
  "url": "https://osv.dev/vulnerability/CVE-2018-17031",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-17031",
    "summary": "In Gogs 0.11.53, an attacker can use a crafted .eml file to trigger MIME type sniffing, which leads to XSS, as demonstrated by Internet Explorer, because an \"X-Content-Type-Options: nosniff\" header is not sent.",
    "evidence": "osv:CVE-2018-17031",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-17031",
      "aliases": [
        "CVE-2018-17031",
        "GHSA-px5r-fqj6-r2f8",
        "GO-2023-1972"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gogs/gogs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "91441c3fb29d8ead645d8fffa4658d749d5b3fc3"
                },
                {
                  "last_affected": "91441c3fb29d8ead645d8fffa4658d749d5b3fc3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gogs:gogs:0.11.53:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.11.53"
                      },
                      {
                        "last_affected": "0.11.53"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.11.53",
            "v0.11.53"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17031.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:21.838822039Z",
      "provider": "osv",
      "references": [
        "https://github.com/gogs/gogs/issues/5397"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-17031",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381610,
  "published_at": "2018-09-14T02:29:00.39+00:00"
}