CVE-2024-45292

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

State: Published
Severity: 5.4 Medium
Published: Oct 7, 2024
Updated: Oct 7, 2024
Reserved: Aug 26, 2024

Description

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 been addressed in release versions 1.29.2, 2.1.1, and 2.3.0. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
PhpSpreadsheetPHPOffice	< 1.29.2Affected >= 2.0.0, < 2.1.1Affected >= 2.2.0, < 2.3.0Affected

References

https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-r8w8-74ww-j4wh

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