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

CVE-2024-55878

Medium
6.8/10

Summary

The SimpleXLSX is software for parsing and retrieving data from "Excel XLSx" files. In SimpleXLSX, when calling the extended "toHTMLEx" method, it is possible to execute arbitrary JavaScript code. This vulnerability affects shuchkin/simplexlsx package version 1.0.10 through 1.1.11. As a workaround, don't use direct publication via "toHTMLEx".

  • LOW
  • NETWORK
  • NONE
  • CHANGED
  • REQUIRED
  • LOW
  • HIGH
  • 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