CVE-2026-66396
CRITICAL
9,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: passive
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH
8,4
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: required
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Description
AI Translation Available
SiYuan before v3.7.2 fails to escape the title-img Individual Attribute List value when rendering Gallery and Kanban cover images, allowing stored cross-site scripting via unescaped style attribute interpolation. Attackers with editor permissions can inject onload handlers that execute arbitrary code in the Electron renderer with full Node.js access when victims open affected documents.
79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
StableCommon Consequences
Security Scopes Affected:
Access Control
Confidentiality
Integrity
Availability
Potential Impacts:
Bypass Protection Mechanism
Read Application Data
Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies:
AI/ML, Web Based, Web Server
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-5rxg-wh59-mg34
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-5rxg-wh59-mg34
https://www.vulncheck.com/advisories/siyuan-before-stored-xss-to-rce-via-title-…