SiYuan before v3.8.1 fails to properly escape block name, alias, and memo fields in hint, backlink, and breadcrumb rendering functions. Attackers can set a block's name to contain HTML/script tags that execute when another user views documents referencing or displaying that block.
Metrics
Affected Vendors & Products
References
History
Tue, 01 Sep 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 31 Aug 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Siyuan
Siyuan siyuan |
|
| Vendors & Products |
Siyuan
Siyuan siyuan |
Sun, 30 Aug 2026 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | SiYuan before v3.8.1 fails to properly escape block name, alias, and memo fields in hint, backlink, and breadcrumb rendering functions. Attackers can set a block's name to contain HTML/script tags that execute when another user views documents referencing or displaying that block. | |
| Title | SiYuan before v3.8.1 Stored XSS via block name | |
| 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: 2026-08-30T14:33:35.156Z
Updated: 2026-09-01T14:07:50.048Z
Reserved: 2026-08-30T13:38:29.951Z
Link: CVE-2026-82654
Updated: 2026-09-01T14:07:46.381Z
Status : Deferred
Published: 2026-08-30T15:16:46.173
Modified: 2026-09-01T15:17:36.090
Link: CVE-2026-82654
No data.