CVE-2026-50551: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in siyuan-note siyuan
SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan contains a stored cross-site scripting (XSS) vulnerability in the Attribute View (database) asset cell renderer that escalates to remote code execution (RCE) in the Electron desktop client. This vulnerability is fixed in 3.7.0.
AI Analysis
Technical Summary
CVE-2026-50551 is a stored cross-site scripting (CWE-79) vulnerability affecting SiYuan versions before 3.7.0. The vulnerability resides in the Attribute View asset cell renderer, allowing malicious input to be improperly neutralized during web page generation. Exploitation can escalate to remote code execution within the Electron desktop client environment. The issue is resolved in version 3.7.0.
Potential Impact
Successful exploitation allows an attacker with limited privileges to inject malicious scripts that execute in the context of the Electron desktop client, potentially leading to full remote code execution. This compromises confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Upgrade SiYuan to version 3.7.0 or later, where this vulnerability is fixed. No other official remediation or temporary fixes are documented. Users should apply this update promptly to mitigate the risk.
CVE-2026-50551: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in siyuan-note siyuan
Description
SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan contains a stored cross-site scripting (XSS) vulnerability in the Attribute View (database) asset cell renderer that escalates to remote code execution (RCE) in the Electron desktop client. This vulnerability is fixed in 3.7.0.
CVSS v3.1
Score 9.9critical
Affected software
pkg:github/siyuan-note/siyuanRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-50551 is a stored cross-site scripting (CWE-79) vulnerability affecting SiYuan versions before 3.7.0. The vulnerability resides in the Attribute View asset cell renderer, allowing malicious input to be improperly neutralized during web page generation. Exploitation can escalate to remote code execution within the Electron desktop client environment. The issue is resolved in version 3.7.0.
Potential Impact
Successful exploitation allows an attacker with limited privileges to inject malicious scripts that execute in the context of the Electron desktop client, potentially leading to full remote code execution. This compromises confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Upgrade SiYuan to version 3.7.0 or later, where this vulnerability is fixed. No other official remediation or temporary fixes are documented. Users should apply this update promptly to mitigate the risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-06-04T20:37:18.654Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3c501d4853345fc1e45bc1
Added to database: 06/24/2026, 21:46:05 UTC
Last enriched: 07/11/2026, 09:48:56 UTC
Last updated: 08/08/2026, 22:02:47 UTC
Views: 133
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