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phpoffice/phpexcel

23 known vulnerabilities.

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  • Medium 4.8

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

    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 …

  • Medium 5.1
    CVE-2025-22131 Public exploit

    Cross-Site Scripting (XSS) vulnerability in generateNavigation() function

    PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Cross-Site Scripting (XSS) vulnerability in the code which translates the XLSX file into a HTML representation and displays it in the response.

  • Medium 4.8

    PhpSpreadsheet vulnerable to bypass of the XSS sanitizer using the javascript protocol and special characters

    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 are vulnerable to bypass of the cross-site scripting sanitizer using the javascript protocol and special characters. An attacker can u…

  • Medium 4.8

    PhpSpreadsheet has Cross-Site Scripting (XSS) vulnerability of the hyperlink base in the HTML page header

    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 a cross-site scripting (XSS) vulnerability of the hyperlink base in the HTML page header. The HTML page is formed without sanitiz…

  • Medium 4.8

    PhpSpreadsheet has Cross-Site Scripting (XSS) vulnerability in custom properties

    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 a cross-site scripting (XSS) vulnerability in custom properties. The HTML page is generated without clearing custom properties. V…

  • Medium 6.3

    Path traversal and Server-Side Request Forgery in HTML writer when embedding images is enabled in PHPSpreadsheet

    PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file that links images from arbitrary paths. When embedding images has been enabled in HTML writer with `$writer->setEmbedImages…

  • Medium 5.4

    PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via JavaScript hyperlinks

    PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. `\PhpOffice\PhpSpreadsheet\Writer\Html` does not sanitize "javascript:" URLs from hyperlink `href` attributes, resulting in a Cross-Site Scripting vulnerability. This issue has be…

  • Medium 5.4

    PhpSpreadsheet HTML writer is vulnerable to Cross-Site Scripting via style information

    PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In affected versions `\PhpOffice\PhpSpreadsheet\Writer\Html` doesn't sanitize spreadsheet styling information such as font names, allowing an attacker to inject arbitrary JavaScri…

  • Medium —

    PHPExcel vulnerable to XXE attacks through libxml

    PHPExcel before 1.8.0, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, does not disable external entity loading in libxml, which allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an …