Security advisory

{
  "id": "3a16cc60a9d90635dfda505bb589bc957f7134030cfa0ee31299544e34f72c80",
  "url": "https://osv.dev/vulnerability/CVE-2018-19277",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-19277",
    "summary": "securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file",
    "evidence": "osv:CVE-2018-19277",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-19277",
      "aliases": [
        "CVE-2018-19277",
        "GHSA-xcrg-29h7-h4cj"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/phpoffice/phpspreadsheet",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "2dfd06c59825914a1a325f2a2ed13634b9d8c411"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.5.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.5.0",
            "1.4.1",
            "1.4.0",
            "1.3.1",
            "1.3.0",
            "1.2.1",
            "1.2.0",
            "1.1.0",
            "1.0.0",
            "1.0.0-beta2",
            "phpexcel-last-cherry-picked-commit",
            "phpexcel-last-release-1.8.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19277.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:09.336170529Z",
      "provider": "osv",
      "references": [
        "https://www.bishopfox.com/news/2018/11/phpoffice-versions/",
        "https://github.com/MewesK/TwigSpreadsheetBundle/issues/18",
        "https://www.drupal.org/sa-contrib-2021-043",
        "https://github.com/PHPOffice/PhpSpreadsheet/issues/771"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-19277",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381358,
  "published_at": "2018-11-14T11:29:07.92+00:00"
}