EUVD-2026-109428

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...

CVE-2026-116167 SiYuan 2.9.0 before 3.8.7 XSS via check-auth to Parameter

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...

CVE-2026-116167 SiYuan 2.9.0 before 3.8.7 XSS via check-auth to Parameter

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...

CVE-2026-116167

SiYuan versions 2.9.0 before 3.8.7 are vulnerable to a cross-site scripting (XSS) flaw on the unauthenticated /check-auth page. The root cause is a lack of scheme validation when the application assigns the to parameter to window.location.href. An attacker can provide a crafted link using a javas...

PT-2026-123008

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...