SiYuan before 3.8.4 renders document titles as HTML in the backlink dock tree without escaping markup characters. Attackers can set malicious titles through the rename API or crafted notebooks to execute scripts in the Electron renderer with access to child_process for command execution.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Active
User action required
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
B3log Siyuan
cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*
|
— |
3.8.4
|
References 5
https://github.com/siyuan-note/siyuan
disclosure@vulncheck.com
https://github.com/siyuan-note/siyuan/blob/v3.8.3/app/src/util/Tree.ts#L134
disclosure@vulncheck.com
https://github.com/siyuan-note/siyuan/commit/6f093ebe50afc503e2a8b056164293054f…
disclosure@vulncheck.com
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-c5h9-g2c6-fxjw
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/siyuan-before-3.8.4-cross-site-scripting-v…
disclosure@vulncheck.com