{
  "schema_version": "1.3.1",
  "id": "GO-2023-1753",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2023-29400"
  ],
  "summary": "Improper handling of empty HTML attributes in html/template",
  "details": "Templates containing actions in unquoted HTML attributes (e.g. \"attr={{.}}\") executed with empty input can result in output with unexpected results when parsed due to HTML normalization rules. This may allow injection of arbitrary attributes into tags.",
  "affected": [
    {
      "package": {
        "name": "stdlib",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.19.9"
            },
            {
              "introduced": "1.20.0-0"
            },
            {
              "fixed": "1.20.4"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "html/template",
            "symbols": [
              "Template.Execute",
              "Template.ExecuteTemplate",
              "appendCmd",
              "htmlNospaceEscaper"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "REPORT",
      "url": "https://go.dev/issue/59722"
    },
    {
      "type": "FIX",
      "url": "https://go.dev/cl/491617"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU"
    }
  ],
  "credits": [
    {
      "name": "Juho Nurminen of Mattermost"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2023-1753"
  }
}