CVE

CVE-2026-116167

7.6

CVSShigh

Exploitable remotely over the internet · no authentication required.

Description

SiYuan from 2.9.0 before 3.8.7 contains a cross-site scripting vulnerability in the unauthenticated /check-auth page that assigns the to parameter to window.location.href without scheme validation. Attackers can send a crafted link with a javascript: URI that executes after victim login, invoking kernel APIs to read or modify workspace content and settings.

Attack Vector

Network

Privileges Req.

None

User Interaction

siyuan

Updated Oct 28, 2026View on NVD →

S4E scanner

highProduct Based Web Vulnerabilities~10 seconds

CVE-2026-116167 Scanner

CVE-2026-116167 Scanner - Cross-Site Scripting (XSS) vulnerability in SiYuan

Used 3 times · 3.4k assets checked · domain, subdomain, ipv4

Scanner page →Run scanner

CVE history: siyuan

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