Vulnerabilidades

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 contain a logic vulnerability in the /api/file/globalCopyFiles endpoint. The function allows authenticated users to copy files from any location on the server's filesystem into the application's workspace without proper path validation. The…

SiYuan is a personal knowledge management system. In versions prior to 3.5.4, the markdown feature allows unrestricted server side html-rendering which allows arbitrary file read (LFD). Version 3.5.4 fixes the issue.

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 are vulnerable to reflected cross-site scripting in /api/icon/getDynamicIcon due to unsanitized SVG input. The endpoint generates SVG images for text icons (type=8). The content query parameter is inserted directly into the SVG <text> tag…

SiYuan is self-hosted, open source personal knowledge management software. Prior to 3.5.4-dev2, a Stored Cross-Site Scripting (XSS) vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file (e.g., imported from an untrusted source),…

SiYuan is self-hosted, open source personal knowledge management software. In versions 3.5.1 and prior, the SiYuan Note application utilizes a hardcoded cryptographic secret for its session store. This unsafe practice renders the session encryption ineffective. Since the sensitive AccessAuthCode is stored within the…

SiYuan is self-hosted, open source personal knowledge management software. Versions 0.0.0-20251202123337-6ef83b42c7ce and below contain function importZipMd which is vulnerable to ZipSlips, allowing an authenticated user to overwrite files on the system. An authenticated user with access to the import functionality in…

SiYuan is self-hosted, open source personal knowledge management software. SiYuan Note version 3.1.18 has an arbitrary file deletion vulnerability. The vulnerability exists in the `POST /api/history/getDocHistoryContent` endpoint. An attacker can craft a payload to exploit this vulnerability, resulting in the deletion…

SiYuan is a personal knowledge management system. Prior to version 3.1.16, SiYuan's `/api/template/renderSprig` endpoint is vulnerable to Server-Side Template Injection (SSTI) through the Sprig template engine. Although the engine has limitations, it allows attackers to access environment variables. Version 3.1.16…

SiYuan is a personal knowledge management system. Prior to version 3.1.16, the `/api/asset/upload` endpoint in Siyuan is vulnerable to both arbitrary file write to the host and stored cross-site scripting (via the file write). Version 3.1.16 contains a patch for the issue.

SiYuan is a personal knowledge management system. Prior to version 3.1.16, SiYuan's /api/export/exportResources endpoint is vulnerable to arbitary file read via path traversal. It is possible to manipulate the paths parameter to access and download arbitrary files from the host system by traversing the workspace…

SiYuan is a personal knowledge management system. Prior to version 3.1.16, an arbitrary file read vulnerability exists in Siyuan's `/api/template/render` endpoint. The absence of proper validation on the path parameter allows attackers to access sensitive files on the host system. Version 3.1.16 contains a patch for…

A SQL injection vulnerability was discovered in Siyuan 3.1.11 in /getHistoryItems.

A SQL injection vulnerability has been identified in Siyuan 3.1.11 via the ids array parameter in /batchGetBlockAttrs.

A SQL injection vulnerability has been identified in Siyuan 3.1.11 via the id parameter at /getAssetContent.

A SQL injection vulnerability has been identified in Siyuan 3.1.11 via the notebook parameter in /searchHistory.

A vulnerability has been found in SiYuan 3.1.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file PDF.js of the component PDF Handler. The manipulation leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and…

SiYuan version 3.0.3 allows executing arbitrary commands on the server. This is possible because the application is vulnerable to Server Side XSS.