CVE-2026-66394 SiYuan before v3.7.3 Stored and Reflected XSS via SVG Sanitizer Bypass

SiYuan before v3.7.3 contains stored and reflected cross-site scripting vulnerabilities in SVG sanitization that allows authenticated attackers to execute scripts by bypassing the HTML parser-based cleaner. Attackers can hide script tags within desc, style, or noscript elements which the HTML...