{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0",
  "cveMetadata": {
    "cveId": "CVE-2023-29400"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc"
      },
      "title": "Improper handling of empty HTML attributes in html/template",
      "descriptions": [
        {
          "lang": "en",
          "value": "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": [
        {
          "vendor": "Go standard library",
          "product": "html/template",
          "collectionURL": "https://pkg.go.dev",
          "packageName": "html/template",
          "versions": [
            {
              "version": "0",
              "lessThan": "1.19.9",
              "status": "affected",
              "versionType": "semver"
            },
            {
              "version": "1.20.0-0",
              "lessThan": "1.20.4",
              "status": "affected",
              "versionType": "semver"
            }
          ],
          "programRoutines": [
            {
              "name": "appendCmd"
            },
            {
              "name": "htmlNospaceEscaper"
            },
            {
              "name": "Template.Execute"
            },
            {
              "name": "Template.ExecuteTemplate"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-74: Improper input validation"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://go.dev/issue/59722"
        },
        {
          "url": "https://go.dev/cl/491617"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2023-1753"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Juho Nurminen of Mattermost"
        }
      ]
    }
  }
}