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

CVE-2022-1438

Medium
4.8/10

Summary

Keycloak vulnerable to Cross-site Scripting. A flaw was found in Keycloak. Under specific circumstances, HTML entities are not sanitized during user impersonation, resulting in a Cross-site scripting (XSS) vulnerability. This issue affects the versions prior to 20.0.5.

  • LOW
  • NETWORK
  • LOW
  • CHANGED
  • REQUIRED
  • HIGH
  • 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