CVE-2025-23210 Information

Description

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 addressed in versions 3.9.0 2.3.7 2.1.8 and 1.29.9. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Reference

https://github.com/PHPOffice/PhpSpreadsheet/commit/cde2926a9e2baf146783f8fd1771bbed7d1dc7b3 https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-r57h-547h-w24f