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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVE-2025-22131

Severity Medium
Score 5.1/10

Summary

PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. A Cross-Site Scripting (XSS) vulnerability has been discovered in the code which translates the XLSX file into a HTML representation and displays it in the response. This issue has been fixed in versions 1.29.8, 2.1.7, 2.3.6 and 3.8.0.

  • LOW
  • NETWORK
  • ACTIVE
  • NONE

CWE-79 - Cross Site Scripting

Cross-Site Scripting, commonly referred to as XSS, is the most dominant class of vulnerabilities. It allows an attacker to inject malicious code into a pregnable web application and victimize its users. The exploitation of such a weakness can cause severe issues such as account takeover, and sensitive data exfiltration. Because of the prevalence of XSS vulnerabilities and their high rate of exploitation, it has remained in the OWASP top 10 vulnerabilities for years.

References

Advisory Timeline

  • Published