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

CVE-2024-5521

Medium
6.4/10

Summary

Cross-site Scripting vulnerability has been discovered in Alkacon's OpenCMS affecting version 16.0, which could allow a user having the roles of gallery editor or "VFS" resource manager will have the permission to upload images in the ".svg" format containing JavaScript code. The code will be executed the moment another user accesses the image.

  • LOW
  • NETWORK
  • LOW
  • CHANGED
  • NONE
  • LOW
  • LOW
  • 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