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

Summaryinfo

A vulnerability identified as problematic has been detected in PHPOffice PhpSpreadsheet up to 1.29.6/2.1.5/2.3.4/3.6.x. This issue affects some unknown processing of the component Hyperlink Handler. This manipulation causes cross site scripting. This vulnerability appears as CVE-2024-56411. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in PHPOffice PhpSpreadsheet up to 1.29.6/2.1.5/2.3.4/3.6.x and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Hyperlink Handler. 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 a cross-site scripting (XSS) vulnerability of the hyperlink base in the HTML page header. The HTML page is formed without sanitizing the hyperlink base. 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-2024-56411 since 12/23/2024. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 1.29.7, 2.1.6, 2.3.5 or 3.7.0 eliminates this vulnerability. Applying the patch 45052f88e04c735d56457a8ffcdc40b2635a028e 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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