VulnerabilityDeferred

CVE-2025-23210

Affected versions have been found to have a Bypass of the Cross-site Scripting (XSS) sanitizer using the javascript protocol and special characters.

MEDIUM 4.8EPSS 0.41%

Does this matter?

Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0: 4.8 MEDIUMCVSS: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/M
EPSS: 0.41% probability · 35th percentile
CISA KEV: Not listed
Weakness: CWE-79
Source: security-advisories@github.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.