PHPOffice PhpSpreadsheet up to 1.29.6/2.1.5/2.3.4/3.6.x Convert-Online.php cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in PHPOffice PhpSpreadsheet up to 1.29.6/2.1.5/2.3.4/3.6.x. This vulnerability affects unknown code of the file /vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2024-56408. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in PHPOffice PhpSpreadsheet up to 1.29.6/2.1.5/2.3.4/3.6.x. Affected by this vulnerability is an unknown code of the file /vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect 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 have is 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.

The advisory is shared at github.com. This vulnerability is known as CVE-2024-56408 since 12/23/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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