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CVE-2026-55105 Joplin: Fountain embeds allow arbitrary script execution in published notes and the note viewer

🗓️ 21 Sep 2026 20:59:52Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.6.15 and 3.7.2, packages/renderer/MdToHtml/rules/fountain.ts passes HTML generated by the vendored fountain.js renderer into note ...

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Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-55105
21 Sep 202620:59
cve
euvd
EUVD
EUVD-2026-84172
21 Sep 202620:59
euvd
nvd
NVD
CVE-2026-55105
21 Sep 202621:17
nvd
[
  {
    "vendor": "laurent22",
    "product": "joplin",
    "versions": [
      {
        "version": "< 3.6.15",
        "status": "affected"
      },
      {
        "version": ">= 3.7.0, < 3.7.2",
        "status": "affected"
      }
    ]
  }
]

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21 Sep 2026 20:59Current
CVSS 3.17.7
10