CVE-2026-23645

MEDIUM

6.1

Descricao

SiYuan is self-hosted, open source personal knowledge management software. Prior to 3.5.4-dev2, a Stored Cross-Site Scripting (XSS) vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file (e.g., imported from an untrusted source), arbitrary JavaScript code is executed in the context of their authenticated session. This vulnerability is fixed in 3.5.4-dev2.

Detalhes CVE

Pontuacao CVSS v3.16.1

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado1/16/2026

Ultima modificacao1/30/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

b3log:siyuan

Fraquezas (CWE)

CWE-79

Referencias

https://github.com/siyuan-note/siyuan/commit/11115da3d0de950593ee4ce375cf7f9018484388(security-advisories@github.com)

https://github.com/siyuan-note/siyuan/issues/16844(security-advisories@github.com)

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-pcjq-j3mq-jv5j(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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