CVE-2025-23210

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

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.

Category

4.8
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.07%
Affected: PHPOffice PhpSpreadsheet
Published at:
Updated at:

References

Link Tags
https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-r57h-547h-w24f
https://github.com/PHPOffice/PhpSpreadsheet/commit/cde2926a9e2baf146783f8fd1771bbed7d1dc7b3

Frequently Asked Questions

What is the severity of CVE-2025-23210?
CVE-2025-23210 has been scored as a medium severity vulnerability.
How to fix CVE-2025-23210?
To fix CVE-2025-23210, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-23210 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-23210 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-23210?
CVE-2025-23210 affects PHPOffice PhpSpreadsheet.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.