CVE-2025-23210

MEDIUM

PHPOffice PhpSpreadsheet <3.9.0, 2.0.0-2.1.8, 2.2.0-2.3.7, <1.29.9 - XSS via JavaScript Protocol Bypass

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v4 4.8
EPSS 0.0040
EPSS Percentile 32.5%
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (6)
phpoffice/phpexcel 0Packagist
phpoffice/phpspreadsheet 3.0.0 - 3.9.0Packagist
PHPOffice/PhpSpreadsheet < 1.29.9
PHPOffice/PhpSpreadsheet >= 2.0.0, < 2.1.8
PHPOffice/PhpSpreadsheet >= 2.2.0, < 2.3.7
PHPOffice/PhpSpreadsheet >= 3.0.0, < 3.9.0
Published Feb 03, 2025
Tracked Since Feb 18, 2026