CVE-2025-54370 – PhpOffice/PhpSpreadsheet SSRF Vulnerability

PhpOffice/PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to versions 1.30.0, 2.1.12, 2.4.0, 3.10.0, and 5.0.0, SSRF can occur when a processed HTML document is read and displayed in the browser. The vulnerability lies in the setPath method of the PhpOfficePhpSpreadsheetWorksheetDrawing class, where a crafted string from the user is passed to the HTML reader. This issue has been patched in versions 1.30.0, 2.1.12, 2.4.0, 3.10.0, and 5.0.0.