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.
Metrics
Affected Vendors & Products
References
History
Fri, 18 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Siyuan
Siyuan siyuan |
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| Vendors & Products |
Siyuan
Siyuan siyuan |
Thu, 17 Sep 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 17 Sep 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | SiYuan before 3.8.4 Cross-Site Scripting via Document Title | |
| First Time appeared |
B3log
B3log siyuan |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:* | |
| Vendors & Products |
B3log
B3log siyuan |
|
| References |
|
|
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-09-17T14:22:10.251Z
Updated: 2026-09-17T19:20:06.691Z
Reserved: 2026-09-17T13:55:54.288Z
Link: CVE-2026-92986
Updated: 2026-09-17T19:18:17.507Z
Status : Deferred
Published: 2026-09-17T15:17:02.033
Modified: 2026-09-17T20:18:59.970
Link: CVE-2026-92986
No data.