CVE-2026-66396

SiYuan before v3.7.2 fails to escape the title-img Individual Attribute List value when rendering Gallery and Kanban cover images, allowing stored cross-site scripting via unescaped style attribute interpolation. Attackers with editor permissions can inject onload handlers that execute arbitrary...

CVE-2026-66396 SiYuan before v3.7.2 Stored XSS to RCE via title-img IAL

SiYuan before v3.7.2 fails to escape the title-img Individual Attribute List value when rendering Gallery and Kanban cover images, allowing stored cross-site scripting via unescaped style attribute interpolation. Attackers with editor permissions can inject onload handlers that execute arbitrary...

PT-2026-64997

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.2 Description Stored cross-site scripting is possible due to improper escaping of the title-img Individual Attribute List value during the rendering of Gallery and Kanban cover images. This occurs via unescaped sty...