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CVE PROGRAM SOURCE RECORD8.4 High

CVE-2026-87814

SiYuan before v3.8.2 Stored XSS via Asset Preview

Description

SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in the search asset preview feature that fails to escape indexed asset content before inserting it into the DOM using innerHTML. Attackers who can place crafted text assets in a workspace can execute JavaScript in the SiYuan origin when victims preview the assets, enabling authenticated API requests and workspace manipulation.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

siyuan-note siyuan

Default version status: unaffected

  • 0 to < 3.8.2affected
  • 3.8.2unaffected

References