SiYuan 3.7.0 before 3.8.4 Stored XSS via Gallery Kanban

{
  "id": "dbb526160a1edce1cd3832beba5981a31f4909054a30e6bf4095d8759d461288",
  "url": "https://osv.dev/vulnerability/CVE-2026-100645",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "SiYuan 3.7.0 before 3.8.4 Stored XSS via Gallery Kanban",
    "summary": "SiYuan versions 3.7.0 before 3.8.4 contain a stored cross-site scripting vulnerability in gallery and kanban database renderers where field descriptions are not escaped in aria-label attributes. In the Electron desktop app with nodeIntegration enabled, attackers can inject JavaScript that calls Node.js child_process APIs to execute arbitrary commands with user privileges.",
    "evidence": "osv:CVE-2026-100645",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-100645",
      "aliases": [
        "CVE-2026-100645",
        "GHSA-556j-q8c8-qqg3"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/siyuan-note/siyuan",
              "type": "GIT",
              "events": [
                {
                  "introduced": "27e0051e0d067892e833df1063cb2fb469600e98"
                },
                {
                  "fixed": "9f775e8a12daef8255556097396f9b2739078892"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.7.0"
                      },
                      {
                        "fixed": "3.8.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.7.0"
                      },
                      {
                        "fixed": "3.8.4"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-100645.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.519073642Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100645.json",
        "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-556j-q8c8-qqg3",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-100645",
        "https://www.vulncheck.com/advisories/siyuan-3.7.0-before-3.8.4-stored-xss-via-gallery-kanban"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100645.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-100645",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 520272,
  "published_at": "2026-09-26T13:23:16.77+00:00"
}