{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "siyuan",
          "vendor": "siyuan-note",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.7.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute\u0027s HTML sanitizer does not remove \u003ciframe\u003e elements. Combined with the SiYuan Electron client\u0027s permissive security configuration, an attacker can include a malicious \u003ciframe\u003e in a Bazaar package README that executes arbitrary commands on the victim\u0027s machine when the package details are viewed. No package installation is required. This vulnerability is fixed in 3.7.0."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-24T21:21:57.842Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-r6v5-4c66-f6pw",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-r6v5-4c66-f6pw"
        }
      ],
      "source": {
        "advisory": "GHSA-r6v5-4c66-f6pw",
        "discovery": "UNKNOWN"
      },
      "title": "SiYuan: Lute HTML sanitizer allows `\u003ciframe\u003e` tags in Bazaar package README, leading to arbitrary command execution via SiYuan Electron client"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-54759",
    "datePublished": "2026-06-24T21:21:57.842Z",
    "dateReserved": "2026-06-15T23:12:41.966Z",
    "dateUpdated": "2026-06-24T21:21:57.842Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}