PT-2026-88950 · Git+1 · Siyuan
CVE-2026-87812
·
Published
2026-09-09
·
Updated
2026-09-09
CVSS v3.1
6.8
Medium
| Vector | AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |
SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in Bazaar package cards where the iconURL metadata is inserted directly into HTML img src attributes without escaping. Attackers can inject malicious URLs with event handlers that execute JavaScript in the authenticated SiYuan origin when users view Bazaar listings, enabling API requests and application state manipulation.
Exploit
Fix
XSS
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Weakness Enumeration
Related Identifiers
Affected Products
Siyuan