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CVE-2025-23210

16
FAUCET Score

CVE-2025-23210 describes a Cross-site Scripting (XSS) sanitizer bypass vulnerability in the phpoffice/phpspreadsheet library, affecting versions prior to 3.9.0, 2.3.7, 2.1.8, and 1.29.9. This medium-severity vulnerability (CVSS 4.8) allows an attacker to inject malicious scripts via the javascript protocol and special characters, potentially impacting user confidentiality and integrity with low privileges and user interaction. There are currently no known exploits, Metasploit modules, or public exploit code available, and it has not been added to CISA's KEV catalog. Community discussion and media coverage are minimal, indicating a low level of public attention.

Impacted Technologies

VendorProductVersion(s)CPE
PHPOfficePhpSpreadsheet
< 1.29.9, >= 2.0.0, < 2.1.8, >= 2.2.0, < 2.3.7, >= 3.0.0, < 3.9.0CNA affected

CVSS Data

CVSS version used by this source: 4.0

4.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
ACTIVE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
LOW
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 49th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: phpoffice/phpspreadsheetFixed in: 3.9.0
composerpatch availablevia ghsa
Product: phpoffice/phpspreadsheetFixed in: 1.29.9
composerpatch availablevia ghsa
Product: phpoffice/phpspreadsheetFixed in: 2.3.7
composerpatch availablevia ghsa
Product: phpoffice/phpspreadsheetFixed in: 2.1.8

Vendor Advisories (1)

composerGHSA-r57h-547h-w24fmedium

PhpSpreadsheet allows bypassing of XSS sanitizer using the javascript protocol and special characters

Feb 3, 2025

References

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