CVE-2026-54759— SiYuan: Lute HTML sanitizer allows `<iframe>` tags in Bazaar package README, leading to arbitrary command execution via SiYuan Electron client
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I. Basic Information for CVE-2026-54759
Vulnerability Information
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Vulnerability Title
SiYuan: Lute HTML sanitizer allows `<iframe>` tags in Bazaar package README, leading to arbitrary command execution via SiYuan Electron client
Source: NVD (National Vulnerability Database)
Vulnerability Description
SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute's HTML sanitizer does not remove <iframe> elements. Combined with the SiYuan Electron client's permissive security configuration, an attacker can include a malicious <iframe> in a Bazaar package README that executes arbitrary commands on the victim's machine when the package details are viewed. No package installation is required. This vulnerability is fixed in 3.7.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| siyuan-note | siyuan | < 3.7.0 | - |
II. Public POCs for CVE-2026-54759
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-54759 (1)
Same Patch Batch · siyuan-note · 2026-06-24 · 9 CVEs total
| CVE-2026-54158 | 9.9 CRITICAL | SiYuan: Stored XSS to RCE via attribute-view cell rendering in genAVValueHTML() |
| CVE-2026-54067 | 9.9 CRITICAL | SiYuan: Stored XSS to RCE via CSS-snippet <style> breakout in renderSnippet() |
| CVE-2026-50551 | 9.9 CRITICAL | SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content |
| CVE-2026-55570 | 9.0 CRITICAL | SiYuan: Stored XSS results to Electron RCE in SiYuan marketplace via unescaped `data-obj` |
| CVE-2026-54066 | 7.5 HIGH | SiYuan: Path Traversal via Double URL Encoding in /assets/*path (publish mode arbitrary fi |
| CVE-2026-54070 | 7.1 HIGH | SiYuan: Stored XSS in Bazaar marketplace via package README event handlers |
| CVE-2026-54068 | 5.9 MEDIUM | SiYuan: Unauthenticated SQLite Data Exfiltration via Template Injection in /api/icon/getDy |
| CVE-2026-54069 | SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist |
IV. Related Vulnerabilities
Same product: siyuan
- CVE-2026-55570
SiYuan: Stored XSS results to Electron RCE in SiYuan marketp - CVE-2026-50551
SiYuan: Stored XSS to RCE via Unsanitized Attribute View Ass - CVE-2026-54158
SiYuan: Stored XSS to RCE via attribute-view cell rendering - CVE-2026-54070
SiYuan: Stored XSS in Bazaar marketplace via package README - CVE-2026-54069
SiYuan: Unauthenticated Admin API Access via Blanket chrome-
Same vendor: siyuan-note
- CVE-2026-55570
SiYuan: Stored XSS results to Electron RCE in SiYuan marketp - CVE-2026-50551
SiYuan: Stored XSS to RCE via Unsanitized Attribute View Ass - CVE-2026-54158
SiYuan: Stored XSS to RCE via attribute-view cell rendering - CVE-2026-54070
SiYuan: Stored XSS in Bazaar marketplace via package README - CVE-2026-54069
SiYuan: Unauthenticated Admin API Access via Blanket chrome-
Same weakness: CWE-79
- CVE-2026-57656
WordPress Hester Core plugin <= 1.1.8 - Cross Site Scripting - CVE-2026-57651
WordPress Ghost Kit plugin <= 3.6.0 - Cross Site Scripting ( - CVE-2026-57650
WordPress Magazine Blocks plugin <= 1.8.3 - Cross Site Scrip - CVE-2026-57638
WordPress Fluent Booking plugin <= 2.1.0 - Cross Site Script - CVE-2026-57629
WordPress StatCounter plugin <= 2.1.1 - Cross Site Scripting
V. Comments for CVE-2026-54759
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