PHPOffice PhpSpreadsheet up to 1.29.6/2.1.5/2.3.4/3.6.x Currency.php cross site scripting

Summaryinfo

A vulnerability was found in PHPOffice PhpSpreadsheet up to 1.29.6/2.1.5/2.3.4/3.6.x. It has been rated as problematic. This affects an unknown part of the file /vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2024-56409. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in PHPOffice PhpSpreadsheet up to 1.29.6/2.1.5/2.3.4/3.6.x. This issue affects an unknown function of the file /vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

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 unauthorized reflected cross-site scripting in the `Currency.php` file. Using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform 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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-56409 since 12/23/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.29.7, 2.1.6, 2.3.5 or 3.7.0 eliminates this vulnerability. Applying the patch 700a80346be269af668914172bc6f4521982d0b4 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

• PHPOffice

Name

• PhpSpreadsheet

Version

• 1.29.0
• 1.29.1
• 1.29.2
• 1.29.3
• 1.29.4
• 1.29.5
• 1.29.6
• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4
• 2.1.5
• 2.3.0
• 2.3.1
• 2.3.2
• 2.3.3
• 2.3.4
• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6

License

• open-source

Website

• Product: https://github.com/PHPOffice/PhpSpreadsheet/

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