CVE-2025-23210CWE-79

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

Medium · published February 3, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
34.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
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
EPSS
0.00415 · 34.7th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-02-03T21:14Z
EPSS history
Timeline
  • 03 FEB 21:14Z
    Bypass XSS sanitizer using the javascript protocol and special characters in phpoffice/phpspreadsheet
    cvelistv5