Question: What is CVE-2025-23210?
Answer: CVE-2025-23210 is a vulnerability classified as medium with a CVSS score of 4.8. It falls under CWE-79 and affects the system as follows: 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.