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CVE-2026-93405 Mailspring: Stored XSS in attachment quick preview (unsanitized Markdown/DOCX/XLSX conversion)

🗓️ 24 Sep 2026 18:00:32Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Stored XSS in Mailspring before 1.17.0 allows script execution via unsanitized previews.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-93405
24 Sep 202618:02
–circl
cve
CVE
CVE-2026-93405
24 Sep 202618:00
–cve
euvd
EUVD
EUVD-2026-86337
24 Sep 202618:00
–euvd
nvd
NVD
CVE-2026-93405
24 Sep 202618:19
–nvd
[
  {
    "vendor": "Foundry376",
    "product": "Mailspring",
    "versions": [
      {
        "version": "< 1.17.0",
        "status": "affected"
      }
    ]
  }
]

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