SiYuan 3.0.3 - RCE via Server Side XSS
9.6
Critical
Discovered by
Offensive Team, Fluid Attacks
Summary
Full name
SiYuan 3.0.3 - RCE via Server Side XSS
Code name
State
Public
Release date
Apr 3, 2024
Affected product
SiYuan
Affected version(s)
Version 3.0.3
Vulnerability name
Server Side XSS
Vulnerability type
Remotely exploitable
Yes
CVSS v3.1 vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v3.1 base score
9.6
Exploit available
Yes
CVE ID(s)
Description
SiYuan version 3.0.3 allows executing arbitrary commands on the server. This is possible because the application is vulnerable to Server Side XSS.
Vulnerability
A remote code execution vulnerability has been identified in SiYuan. This is possible when the victim imports a file containing a malicious HTML payload defined within it.
Exploit
Evidence of exploitation
Our security policy
We have reserved the ID CVE-2024-2692 to refer to this issue from now on.
System Information
Version: SiYuan 3.0.3
Operating System: MacOS
Mitigation
There is currently no patch available for this vulnerability.
References
Vendor page https://github.com/siyuan-note/siyuan/
Timeline
Vulnerability discovered
Mar 18, 2024
Vendor contacted
Mar 19, 2024
Public disclosure
Apr 3, 2024
