CVE
CVE-2026-82653
SiYuan before v3.8.1 Stored XSS via confirmDialog
SiYuan before v3.8.1 contains a stored cross-site scripting vulnerability in confirmDialog() where unescaped package names and notebook names are interpolated directly into innerHTML assignments. Attackers can submit malicious bazaar packages with HTML/script payloads in the name field that execute in users' browsers when uninstalling packages or unlocking encrypted notebooks.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
8.9
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Related Resources
No items found.
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82653.json, https://github.com/siyuan-note/siyuan/security/advisories/GHSA-hvwp-43j9-4xgf, https://nvd.nist.gov/vuln/detail/CVE-2026-82653, https://www.vulncheck.com/advisories/siyuan-before-3.8.1-stored-xss-via-confirmdialog