{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.5.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2dfd06c59825914a1a325f2a2ed13634b9d8c411"
            }
          ],
          "repo": "https://github.com/phpoffice/phpspreadsheet",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file",
  "id": "CVE-2018-19277",
  "modified": "2026-04-01T23:09:17.570139137Z",
  "published": "2018-11-14T11:29:07.920Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.bishopfox.com/news/2018/11/phpoffice-versions/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.drupal.org/sa-contrib-2021-043"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/MewesK/TwigSpreadsheetBundle/issues/18"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/PHPOffice/PhpSpreadsheet/issues/771"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}