{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-61399","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-07-09T08:10:28.174Z","datePublished":"2026-08-21T08:25:23.403Z","dateUpdated":"2026-08-21T08:25:23.403Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Apache CloudStack","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"4.20.3.0","status":"affected","version":"4.20.0.0","versionType":"semver"},{"lessThanOrEqual":"4.22.1.0","status":"affected","version":"4.21.0.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"reporter","value":"Łukasz Bawolski <Lukasz.Bawolski@exea.pl>"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Lock User Functionality.</p><p>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.</p><p>Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.</p>"}],"value":"Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Lock User Functionality.\n\nThis 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.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue."}],"metrics":[{"other":{"content":{"text":"low"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-116","description":"CWE-116 Improper Encoding or Escaping of Output","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-08-21T08:25:23.403Z"},"references":[{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc"}],"source":{"discovery":"UNKNOWN"},"title":"Apache CloudStack: Cross-Site Scripting (XSS) Vulnerability in Lock User Function in UI","x_generator":{"engine":"Vulnogram 0.2.0"}}}}