CVE-2026-87811

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...

CVE-2026-87811 SiYuan before v3.8.2 Stored XSS via notebook template paths

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...

EUVD-2026-74837

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...

CVE-2026-87811

SiYuan before v3.8.2 is affected by a Stored XSS vulnerability in its notebook configuration feature. The root cause is improper attribute encoding when persisted notebook template paths are inserted into HTML input value attributes. An attacker can craft a malicious template path that breaks out...

CVE-2026-87811: Improper Neutralization of Input During Web Page Generation

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...