{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2021-4295",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-4295",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2022-12-29T08:08:58.553Z",
    "updatedAt": "2024-08-03T17:23:10.449Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "ONC code-validator-api XML CodeValidatorApiConfiguration.java vocabularyValidationConfigurations xml external entity reference",
      "summary": "A vulnerability classified as problematic was found in ONC code-validator-api up to 1.0.30. This vulnerability affects the function vocabularyValidationConfigurations of the file src/main/java/org/sitenv/vocabularies/configuration/CodeValidatorApiConfiguration.java of the component XML Handler. The manipulation leads to xml external entity reference. Upgrading to version 1.0.31 is able to address this issue. The name of the patch is fbd8ea121755a2d3d116b13f235bc8b61d8449af. It is recommended to upgrade the affected component. VDB-217018 is the identifier assigned to this vulnerability.",
      "affected": [
        {
          "vendor": "ONC",
          "product": "code-validator-api",
          "versions": [
            {
              "version": "1.0.0",
              "status": "affected"
            },
            {
              "version": "1.0.1",
              "status": "affected"
            },
            {
              "version": "1.0.2",
              "status": "affected"
            },
            {
              "version": "1.0.3",
              "status": "affected"
            },
            {
              "version": "1.0.4",
              "status": "affected"
            },
            {
              "version": "1.0.5",
              "status": "affected"
            },
            {
              "version": "1.0.6",
              "status": "affected"
            },
            {
              "version": "1.0.7",
              "status": "affected"
            },
            {
              "version": "1.0.8",
              "status": "affected"
            },
            {
              "version": "1.0.9",
              "status": "affected"
            },
            {
              "version": "1.0.10",
              "status": "affected"
            },
            {
              "version": "1.0.11",
              "status": "affected"
            },
            {
              "version": "1.0.12",
              "status": "affected"
            },
            {
              "version": "1.0.13",
              "status": "affected"
            },
            {
              "version": "1.0.14",
              "status": "affected"
            },
            {
              "version": "1.0.15",
              "status": "affected"
            },
            {
              "version": "1.0.16",
              "status": "affected"
            },
            {
              "version": "1.0.17",
              "status": "affected"
            },
            {
              "version": "1.0.18",
              "status": "affected"
            },
            {
              "version": "1.0.19",
              "status": "affected"
            },
            {
              "version": "1.0.20",
              "status": "affected"
            },
            {
              "version": "1.0.21",
              "status": "affected"
            },
            {
              "version": "1.0.22",
              "status": "affected"
            },
            {
              "version": "1.0.23",
              "status": "affected"
            },
            {
              "version": "1.0.24",
              "status": "affected"
            },
            {
              "version": "1.0.25",
              "status": "affected"
            },
            {
              "version": "1.0.26",
              "status": "affected"
            },
            {
              "version": "1.0.27",
              "status": "affected"
            },
            {
              "version": "1.0.28",
              "status": "affected"
            },
            {
              "version": "1.0.29",
              "status": "affected"
            },
            {
              "version": "1.0.30",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}