EUVD-2026-39126

SiYuan: Stored XSS in Bazaar marketplace via package README event handlers...

CVE-2026-54070

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, renderPackageREADME in kernel/bazaar/readme.go renders a Bazaar package README from Markdown to HTML with the lute engine and SetSanitizetrue. The lute sanitizer is an event-handler blocklist: allowAttr rejects only...

CVE-2026-54759

SiYuan’s Lute HTML sanitizer (prior to version 3.7.0) fails to remove elements. When combined with the SiYuan Electron client’s permissive security configuration, a malicious in a Bazaar package README can trigger arbitrary command execution on the victim’s machine when package details are view...

CVE-2026-54070

CVE-2026-54070 — SiYuan : A Stored XSS in the Bazaar marketplace path arises before v3.7.0. renderPackageREADME converts Markdown READMEs to HTML using lute with SetSanitize(true), but the event-handler blocklist misses several modern handlers, allowing attributes like onpointerover, onpointerdow...

PT-2026-52110

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.0 Description The renderPackageREADME function in kernel/bazaar/readme.go renders Bazaar package READMEs from Markdown to HTML using the lute engine. The sanitizer uses a blocklist that omits modern event handlers,...

PT-2026-52112

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.0 Description Lute's HTML sanitizer fails to remove elements. When combined with the permissive security configuration of the SiYuan Electron client, this allows an attacker to embed a malicious within a Bazaar...

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 via unsanitized processing of Bazaar package metadata. An attacker can execute arbitrary JavaScript code in the context of the application, potentially leading to remote code execution by submitting crafted...

GO-2026-4747 SiYuan has Stored XSS to RCE via Unsanitized Bazaar Package Metadata in github.com/siyuan-note/siyuan/kernel

SiYuan has Stored XSS to RCE via Unsanitized Bazaar Package Metadata in github.com/siyuan-note/siyuan/kernel...