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CVE-2026-74902criticalCWE-79

SiYuan before v3.7.4 XSS-to-RCE via malicious filename upload

28Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 9.3epss 0.1%
probabilidad de explotación
0.1%top 96% de las CVE
explotación observada
noninguna fuente lo reporta
SiYuan before v3.7.4 contains a cross-site scripting vulnerability in the file upload validation flow that fails to escape filenames before inserting them into HTML via insertAdjacentHTML. Attackers can craft a malicious filename containing script payloads that execute with full OS command access when a user drags, drops, or pastes the file into the editor.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Productos afectados
siyuan-note · siyuan