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CVE-2026-87811

SiYuan before v3.8.2 Stored XSS via notebook template paths PUBLISHED

Description (CNA)

SiYuan before v3.8.2 inserts persisted notebook template paths into HTML input value attributes without proper attribute encoding. Attackers can craft malicious template paths that break out of the attribute context and execute JavaScript when a victim opens notebook configuration, enabling same-origin API requests and application state manipulation.

Affected (CNA)

Vendor / productVersions
siyuan-note / siyuanaffected 0 before 3.8.2; unaffected 3.8.2

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.