SiYuan version 3.0.3 allows executing arbitrary commands on the server. This is possible because the application is vulnerable to Server Side XSS.
CVE ID: CVE-2024-2692
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.0
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Vendor: SiYuan
Product: SiYuan
EPSS Score: 0.22% (probability of being exploited)
EPSS Percentile: 44.67% (scored less or equal to compared to others)
EPSS Date: 2025-06-06 (when was this score calculated)
SSVC Exploitation: poc
SSVC Technical Impact: total
SSVC Automatable: false