SiYuan versions before v3.8.4 fail to properly validate SQL statements in block query embed blocks executed against siyuan.db. Attackers can craft malicious .sy documents with non-read-only SQL statements that execute automatically during background indexing, rendering, or export operations without authentication.
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
Passive
Minimal interaction
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
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 3
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-67p9-hm94-xwf3
GitHub Security Advisory (GHSA-67p9-hm94-xwf3)
https://github.com/siyuan-note/siyuan/commit/e8ace0c89182c7ee1a1298ff2a849bb6a8…
NVD
https://www.vulncheck.com/advisories/siyuan-before-3.8.4-sql-injection-via-bloc…
VulnCheck Advisory: SiYuan before v3.8.4 SQL Injection via Block Query Embed