Bypass XSS sanitizer using the javascript protocol and special characters in phpoffice/phpspreadsheet

{
  "id": "d67fbff5399883a7d36c9c786ff0a1de5ee9f3bec77e6b08ae8467ff006a9a9e",
  "url": "https://osv.dev/vulnerability/CVE-2025-23210",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bypass XSS sanitizer using the javascript protocol and special characters in phpoffice/phpspreadsheet",
    "summary": "phpoffice/phpspreadsheet is a pure PHP library for reading and writing spreadsheet files. Affected versions have been found to have a Bypass of the Cross-site Scripting (XSS) sanitizer using the javascript protocol and special characters. This issue has been addressed in versions 3.9.0, 2.3.7, 2.1.8, and 1.29.9. Users are advised to upgrade. There are no known workarounds for this vulnerability.",
    "evidence": "osv:CVE-2025-23210",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-23210",
      "aliases": [
        "CVE-2025-23210",
        "GHSA-r57h-547h-w24f"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/phpoffice/phpspreadsheet",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "414f8a2aa1d8b974b39f577c0677d5ebc96fab36"
                },
                {
                  "fixed": "ffb47b639649fc9c8a6fa67977a27b756592ed85"
                },
                {
                  "introduced": "b0993b7e4d9c860133365d115b176bc6e0f57022"
                },
                {
                  "fixed": "cf357183b1d17a3862e8e4b9b056a556654dcae6"
                },
                {
                  "introduced": "4a77798f835119754961a97714f135826a323caa"
                },
                {
                  "fixed": "8be52afdacac097057f8e165b1427cb8789dde92"
                },
                {
                  "fixed": "cde2926a9e2baf146783f8fd1771bbed7d1dc7b3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.9.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.29.9"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "2.2.0"
                      },
                      {
                        "fixed": "2.3.7"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "2.0.0"
                      },
                      {
                        "fixed": "2.1.8"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "cde2926a9e2baf146783f8fd1771bbed7d1dc7b3"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.3.0",
            "3.8.0",
            "2.3.6",
            "2.1.7",
            "1.29.8",
            "2.3.5",
            "2.1.6",
            "1.29.7",
            "3.7.0",
            "1.29.6",
            "2.3.4",
            "2.1.5",
            "3.6.0",
            "2.3.3",
            "2.1.4",
            "1.29.5",
            "3.5.0",
            "3.4.0",
            "2.3.2",
            "2.1.3",
            "1.29.4",
            "1.29.2",
            "2.1.1",
            "2.3.0",
            "2.1.0",
            "1.29.1",
            "2.2.2",
            "1.29.0",
            "2.2.1",
            "2.2.0",
            "2.0.0",
            "1.28.0",
            "1.27.0",
            "1.25.2",
            "1.25.1",
            "1.25.0",
            "1.24.1",
            "1.24.0",
            "1.23.0",
            "1.22.0",
            "1.21.0",
            "1.20.0",
            "1.19.0",
            "1.18.0",
            "1.17.1",
            "1.17.0",
            "1.16.0",
            "1.15.0",
            "1.14.1",
            "1.14.0",
            "1.13.0",
            "1.12.0",
            "1.11.0",
            "1.10.1",
            "1.10.0",
            "1.8.2",
            "1.8.1",
            "1.8.0",
            "1.7.0",
            "1.6.0",
            "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-2025-23210.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.258442660Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/23xxx/CVE-2025-23210.json",
        "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-r57h-547h-w24f",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-23210",
        "https://github.com/PHPOffice/PhpSpreadsheet/commit/cde2926a9e2baf146783f8fd1771bbed7d1dc7b3"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/23xxx/CVE-2025-23210.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-23210",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 513223,
  "published_at": "2025-02-03T21:14:57.255+00:00"
}