Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache CloudStack | 4.20.0.0 – ≤ 4.20.3.0, 4.21.0.0 – ≤ 4.22.1.0 | — |
Advisories 2
- NCSC-2026-0332 Kwetsbaarheden verholpen in Apache CloudStack NCSC-NL (Netherlands) · Aug 27, 2026
- WID-SEC-2026-2962 Apache CloudStack: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 23, 2026
References
- https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc vendor-advisory