CVE-2025-22131: phpspreadsheet XSS — Exploit & Fix

Description

PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Cross-Site Scripting (XSS) vulnerability in the code which translates the XLSX file into a HTML representation and displays it in the response.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
phpoffice	phpspreadsheet	< 1.29.8
phpoffice	phpspreadsheet	2.0.0 — 2.1.7
phpoffice	phpspreadsheet	2.2.0 — 2.3.6
phpoffice	phpspreadsheet	3.0.0 — 3.8.0

References

Advisories & Patches

https://github.com/PHPOffice/PhpSpreadsheet/commit/4088381ccfaf241d7d42c333de0dc8c98e338743 https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-79xx-vf93-p7cx

Exploits

https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-79xx-vf93-p7cx

Frequently Asked Questions

What is CVE-2025-22131? +

PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Cross-Site Scripting (XSS) vulnerability in the code which translates the XLSX file into a HTML representation and displays it in the response. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-22131? +

CVE-2025-22131 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-22131? +

CVE-2025-22131 affects products from phpoffice, specifically: phpspreadsheet. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-22131? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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