CVE-2025-22131 Cross-Site Scripting (XSS) vulnerability in generateNavigation() function

Medium 5.1 Published Updated

Attackers can inject malicious scripts via XLSX files when converted to HTML, potentially executing code in user browsers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-22131?

CVE-2025-22131 is a medium-severity cross-site scripting vulnerability in PHPOffice PhpSpreadsheet, published on 20 Jan 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-79

Which versions are affected by CVE-2025-22131?

10 open source packages ship an affected version, including phpoffice/phpspreadsheet and phpoffice/phpexcel. It affects 1 product.

PackageAffectedFixed in
phpoffice/phpspreadsheet PackagistAll versions1.29.8
phpoffice/phpspreadsheet PackagistAll versions1.29.8
phpoffice/phpspreadsheet PackagistFrom 2.0.02.1.7
phpoffice/phpspreadsheet PackagistFrom 2.0.02.1.7
phpoffice/phpspreadsheet PackagistFrom 2.2.02.3.6
phpoffice/phpspreadsheet PackagistFrom 2.2.02.3.6
4 more packages
phpoffice/phpspreadsheet PackagistFrom 3.0.03.8.0
phpoffice/phpspreadsheet PackagistFrom 3.0.03.8.0
phpoffice/phpexcel PackagistAll versions to 1.8.2None
phpoffice/phpexcel PackagistAll versions to 1.8.2None

Products include Phpoffice Phpspreadsheet.

How do I fix CVE-2025-22131?

Upgrade phpoffice/phpspreadsheet to a fixed version for your release line: 1.29.8, 2.1.7, 2.3.6 or 3.8.0.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-22131 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-22131 exists.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-79xx-vf93-p7cx.

Is CVE-2025-22131 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free