{"id":"CVE-2024-56408","aliases":["GHSA-x88g-h956-m5xg"],"url":"https://o3.security/vulnerability/CVE-2024-56408","summary":"PhpSpreadsheet allows unauthorized reflected XSS in `Convert-Online.php` file","details":"PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php` file, which leads to the possibility of a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.","published":"2025-01-03T16:05:22.944Z","modified":"2026-08-08T03:47:50.826566178Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"phpoffice/phpspreadsheet","fixedVersion":"3.7.0"},{"ecosystem":"Packagist","name":"phpoffice/phpspreadsheet","fixedVersion":"1.29.7"},{"ecosystem":"Packagist","name":"phpoffice/phpspreadsheet","fixedVersion":"2.1.6"},{"ecosystem":"Packagist","name":"phpoffice/phpspreadsheet","fixedVersion":"2.3.5"},{"ecosystem":"Packagist","name":"phpoffice/phpexcel","fixedVersion":null}],"fix":{"url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/700a80346be269af668914172bc6f4521982d0b4","label":"PHPOffice/PhpSpreadsheet@700a803"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56408.json"},{"type":"ADVISORY","url":"https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-x88g-h956-m5xg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56408"},{"type":"FIX","url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/700a80346be269af668914172bc6f4521982d0b4"},{"type":"FIX","url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/9b9a55c7154daa7cd4095f618933c240508ba3c1"},{"type":"FIX","url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/a50ebfe118b3ae0ddaea1c48ac19dc38692f4abc"},{"type":"FIX","url":"https://github.com/PHPOffice/PhpSpreadsheet/commit/b8fac55aa5cb7a3d514c7308378bb37bb711b25e"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:47:50.826566178Z"}}