SiYuan: Electron Renderer RCE via decodeURIComponent-driven tooltip XSS in aria-label sink (incomplete fix for CVE-2026-34585)

Summary The tooltip mouseover handler in app/src/block/popover.ts reads aria-label via getAttribute and passes it through decodeURIComponent before assigning to messageElement.innerHTML in app/src/dialog/tooltip.ts:41. The encoder used at the producer side, escapeAriaLabel in...

SiYuan Affected by Stored XSS via Attribute View Name to Electron Renderer RCE

Summary The kernel stores Attribute View AV / database names without any HTML escape, then a render template uses raw strings.ReplaceAlltpl, "$avName", nodeAvName to embed the name in HTML before pushing to all clients via WebSocket. Three independent client paths render.ts:120 → outerHTML,...

GHSA-2H64-C999-C9R6 SiYuan Affected by Stored XSS via Attribute View Name to Electron Renderer RCE

Summary The kernel stores Attribute View AV / database names without any HTML escape, then a render template uses raw strings.ReplaceAlltpl, "$avName", nodeAvName to embed the name in HTML before pushing to all clients via WebSocket. Three independent client paths render.ts:120 → outerHTML,...

PT-2026-39285

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.0 Description An issue exists in the tooltip mouseover handler where the software reads the aria-label attribute and processes it using decodeURIComponent before assigning the result to messageElement.innerHTML. Th...

GHSA-XQ4X-622M-Q8FQ LobeHub has a Cross-Site Scripting issue that escalates to Remote Code Execution

Summary The vulnerability was automatically discovered by an ai agent and then manually verified. LobeChat's message rendering mechanism has a stored cross-site scripting XSS vulnerability. Combined with the Electron main process's exposed insecure IPC interface, attackers can construct malicious...

LobeHub has a Cross-Site Scripting issue that escalates to Remote Code Execution

Summary The vulnerability was automatically discovered by an ai agent and then manually verified. LobeChat's message rendering mechanism has a stored cross-site scripting XSS vulnerability. Combined with the Electron main process's exposed insecure IPC interface, attackers can construct malicious...

PT-2026-37247

Name of the Vulnerable Software and Affected Versions LobeHub versions prior to 2.1.48 Description A stored cross-site scripting XSS issue exists in the message rendering mechanism. When processing custom tags in the src/features/Portal/Artifacts/Body/Renderer/index.tsx render process, the softwa...

PT-2026-36859

Name of the Vulnerable Software and Affected Versions Notesnook Web/Desktop versions prior to 3.3.15 Notesnook iOS/Android versions prior to 3.3.20 Description A stored Cross-Site Scripting XSS issue exists in the note export flow. The problem occurs because exported note fields, including title,...

CVE-2026-41421

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, SiYuan desktop renders notification messages as raw HTML inside an Electron renderer. The notification route POST /api/notification/pushMsg accepts a user-controlled msg value, forwards it through the backend broadcast...

CVE-2026-41421 SiYuan Desktop Notification XSS Leads to Electron RCE

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, SiYuan desktop renders notification messages as raw HTML inside an Electron renderer. The notification route POST /api/notification/pushMsg accepts a user-controlled msg value, forwards it through the backend broadcast...

CVE-2026-41421

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, SiYuan desktop renders notification messages as raw HTML inside an Electron renderer. The notification route POST /api/notification/pushMsg accepts a user-controlled msg value, forwards it through the backend broadcast...

CVE-2026-41421 SiYuan Desktop Notification XSS Leads to Electron RCE

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, SiYuan desktop renders notification messages as raw HTML inside an Electron renderer. The notification route POST /api/notification/pushMsg accepts a user-controlled msg value, forwards it through the backend broadcast...

CVE-2026-41421

SiYuan desktop prior to version 3.6.5 is vulnerable to local code execution via desktop notifications. The backend forwards user-controlled msg through /api/notification/pushMsg and the frontend injects it into the DOM with insertAdjacentHTML, within an Electron renderer that is configured with n...

CVE-2026-41421 SiYuan Desktop Notification XSS Leads to Electron RCE

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, SiYuan desktop renders notification messages as raw HTML inside an Electron renderer. The notification route POST /api/notification/pushMsg accepts a user-controlled msg value, forwards it through the backend broadcast...

EUVD-2026-25614

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, SiYuan desktop renders notification messages as raw HTML inside an Electron renderer. The notification route POST /api/notification/pushMsg accepts a user-controlled msg value, forwards it through the backend broadcast...

PT-2026-35065

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.6.5 Description SiYuan desktop renders notification messages as raw HTML within an Electron renderer. The API endpoint '/api/notification/pushMsg' accepts a user-controlled msg value, which is forwarded through the...

CVE-2026-40922

SiYuan is an open-source personal knowledge management system. In versions 3.6.1 through 3.6.3, a prior fix for XSS in bazaar README rendering incomplete fix for CVE-2026-33066 enabled the Lute HTML sanitizer, but the sanitizer does not block iframe tags, and its URL-prefix blocklist does not...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS through incomplete sanitization of the README rendering process in the marketplace UI. An attacker can execute arbitrary scripts in the Electron context with full application privileges by embedding an iframe ta...

CVE-2026-40322

SiYuan is an open-source personal knowledge management system. In versions 3.6.3 and below, Mermaid diagrams are rendered with securityLevel set to "loose", and the resulting SVG is injected into the DOM via innerHTML. This allows attacker-controlled javascript: URLs in Mermaid code blocks to...

CVE-2026-40922

SiYuan is an open-source personal knowledge management system. In versions 3.6.1 through 3.6.3, a prior fix for XSS in bazaar README rendering incomplete fix for CVE-2026-33066 enabled the Lute HTML sanitizer, but the sanitizer does not block iframe tags, and its URL-prefix blocklist does not...