Kestra allows Stored XSS before 0.22

{
  "id": "954b80e811275df6abcf8628b78820ced53035791aa1a4a0170f8d9bdaa2e3a1",
  "url": "https://osv.dev/vulnerability/CVE-2025-53543",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Kestra allows Stored XSS before 0.22",
    "summary": "Kestra is an event-driven orchestration platform. The error message in execution \"Overview\" tab is vulnerable to stored XSS due to improper handling of HTTP response received. This vulnerability is fixed in 0.22.0.",
    "evidence": "osv:CVE-2025-53543",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-53543",
      "aliases": [
        "CVE-2025-53543",
        "GHSA-qpj4-4r6r-wvf4"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/kestra-io/kestra",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "c5f2901f7f69595c0194ce089bc1cfe3a8b0e20e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.22.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.22.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.22.0-rc4-SNAPSHOT",
            "v0.22.0-rc3-SNAPSHOT",
            "v0.22.0-rc2-SNAPSHOT",
            "v0.22.0-rc1-SNAPSHOT",
            "v0.19.0",
            "v0.9.1",
            "v0.9.0",
            "v0.8.1",
            "v0.8.0",
            "v0.7.1",
            "v0.7.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-53543.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.969736439Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53543.json",
        "https://github.com/kestra-io/kestra/security/advisories/GHSA-qpj4-4r6r-wvf4",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-53543"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53543.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-53543",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521671,
  "published_at": "2025-07-07T19:54:46.526+00:00"
}