CVE-2025-23210 - CVE House

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Status published Medium CVE-2025-23210

Bypass XSS sanitizer using the javascript protocol and special characters in phpoffice/phpspreadsheet

4.8 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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PhpSpreadsheet has Cross-Site Scripting (XSS) vulnerability of the hyperlink base in the HTML page header

Affected Vendor

PHPOffice

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Affected Software

PhpSpreadsheet

Vulnerable Versions:

>= 3.0.0, < 3.9.0, >= 2.2.0, < 2.3.7, >= 2.0.0, < 2.1.8, < 1.29.9

Timeline

Official Publish: February 3rd, 2025

Last Modified: February 4th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement