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CVE-2026-82653

SiYuan before v3.8.1 Stored XSS via confirmDialog

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.8.1
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

SiYuan before v3.8.1 contains a stored cross-site scripting vulnerability in confirmDialog() where unescaped package names and notebook names are interpolated directly into innerHTML assignments. Attackers can submit malicious bazaar packages with HTML/script payloads in the name field that execute in users' browsers when uninstalling packages or unlocking encrypted notebooks.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • siyuan-note siyuan

    fixed in 3.8.1

References 2

GitHub · siyuan-note/siyuan

vulncheck.com