CVE-2026-87813

Summary

SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in the Search Assets result list where asset filenames are interpolated into HTML without escaping. Authenticated attackers can craft asset filenames containing malicious markup that executes JavaScript in the victim's browser when searching assets, enabling same-origin API requests and application state manipulation.

Affected Software

Weaknesses

• CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-qcw6-qm34-28h8

References

• https://github.com/siyuan-note/siyuan/security/advisories/GHSA-qcw6-qm34-28h8
• https://www.vulncheck.com/advisories/siyuan-before-3.8.2-stored-xss-via-unescaped-asset-filenames

• ←Previous
• Next→