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

CVE-2019-19821

High
8.1/10

Summary

A post-authentication privilege escalation in the web application of Combodo iTop allows regular authenticated users to access information and modify information with administrative privileges by not following the HTTP Location header in server responses. This is fixed in all iTop packages (community, essential, professional) in versions : 2.5.4, 2.6.3, 2.7.0

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • 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