CVE-2026-61399 PUBLISHED

Apache CloudStack: Cross-Site Scripting (XSS) Vulnerability in Lock User Function in UI

Assigner: apache
Reserved: 09.07.2026 Published: 21.08.2026 Updated: 21.08.2026

Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Lock User Functionality.

This issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.

Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

Product Status

Vendor Apache Software Foundation
Product Apache CloudStack
Versions Default: unaffected
  • affected from 4.20.0.0 to 4.20.3.0 (incl.)
  • affected from 4.21.0.0 to 4.22.1.0 (incl.)

Credits

  • Łukasz Bawolski <Lukasz.Bawolski@exea.pl> reporter

References

Problem Types

  • CWE-116 Improper Encoding or Escaping of Output CWE