CVE-2026-40322 SiYuan: Mermaid `javascript:` Link Injection Leads to Stored XSS and Electron RCE

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-2026-40322 SiYuan: Mermaid `javascript:` Link Injection Leads to Stored XSS and Electron RCE

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-2026-40322

SiYuan (open-source PIM) versions 3.6.3 and earlier render Mermaid diagrams with securityLevel=loose, injecting the SVG via innerHTML. This allows attacker-controlled javascript: URLs in Mermaid blocks to survive into output, and on desktop builds with Electron, windows created with nodeIntegrati...

CVE-2026-40318

SiYuan prior to 3.6.4 is affected by a server-side path traversal in the /api/av/removeUnusedAttributeView endpoint, where the user-controlled id is concatenated into a path (via filepath.Join(util.DataDir, "storage", "av", id+".json")) without boundary checks. An attacker can supply traversal se...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the MarkdownBody class, where user-supplied markdown content is rendered without proper URL sanitization due to an overridden urlTransform function. An attacker can execute arbitrary JavaScript in the context...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the MarkdownBody class, where user-supplied markdown content is rendered without proper URL sanitization due to an overridden urlTransform function. An attacker can execute arbitrary JavaScript in the context...

Paperclip: Stored XSS via javascript: URLs in MarkdownBody — urlTransform override disables react-markdown sanitization

Summary MarkdownBody, the shared component used to render every Markdown surface in the Paperclip UI issue documents, issue comments, chat threads, approvals, agent details, export previews, etc., passes urlTransform=url = url to react-markdown. That override replaces react-markdown's built-in...

GHSA-FPW4-P57J-HQMQ Paperclip: Stored XSS via javascript: URLs in MarkdownBody — urlTransform override disables react-markdown sanitization

Summary MarkdownBody, the shared component used to render every Markdown surface in the Paperclip UI issue documents, issue comments, chat threads, approvals, agent details, export previews, etc., passes urlTransform=url = url to react-markdown. That override replaces react-markdown's built-in...

Cross-site Scripting (XSS)

Overview @paperclipai/ui is a Prebuilt Paperclip board UI assets. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the MarkdownBody class, where user-supplied markdown content is rendered without proper URL sanitization due to an overridden urlTransform function. An...

@20syldev/api (>=2.6.0, <=2.8.0), @aalis/plugin-tool-math (>=0.1.0, <=0.12.0) +504 more potentially affected by CVE-2026-40897 via mathjs (>=13.1.1, <=15.1.1)

mathjs NPM version =13.1.1, =2.6.0, =0.1.0, =1.3.0, =2.0.0, =0.2.6, =0.3.0, =7.0.0, =7.0.0, =0.1.14, =0.13.1, =5.0.95, =1.0.0, =1.3.0-alpha.0 - @antsoo-lib/components 0.0.1 - @antsoo-lib/hooks 0.0.1 and more Source cves: CVE-2026-40897 Source advisory: OSV:GHSA-29QV-4J9F-FJW5...

Unsafe object property setter in mathjs

Impact This security vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser. Patches The issue was introduced in mathjs v13.1.1, an...

GHSA-29QV-4J9F-FJW5 Unsafe object property setter in mathjs

Impact This security vulnerability allowed executing arbitrary JavaScript via the expression parser of mathjs. You can be affected when you have an application where users can evaluate arbitrary expressions using the mathjs expression parser. Patches The issue was introduced in mathjs v13.1.1, an...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection through the handling of user-supplied protobuf definitions, specifically via the Type's name field. An attacker can execute arbitrary JavaScript code by injecting malicious payloads into the protobuf definition,...

Arbitrary code execution in protobufjs

Summary protobufjs could execute generated JavaScript code derived from protobuf schema metadata. When loading a crafted JSON descriptor, schema-controlled type names and type references could reach runtime code generation without sufficient validation. Impact An attacker who can provide a...

Flowise: File Upload Validation Bypass in createAttachment

Summary In FlowiseAI, the Chatflow configuration file upload settings can be modified to allow the application/javascript MIME type. This lets an attacker upload .js files even though the frontend doesn’t normally allow JavaScript uploads. This enables attackers to persistently store malicious...

GHSA-RH7V-6W34-W2RR Flowise: File Upload Validation Bypass in createAttachment

Summary In FlowiseAI, the Chatflow configuration file upload settings can be modified to allow the application/javascript MIME type. This lets an attacker upload .js files even though the frontend doesn’t normally allow JavaScript uploads. This enables attackers to persistently store malicious...

CVE-2026-4005

The Coachific Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'userhash' shortcode attribute in all versions up to and including 1.0. This is due to insufficient input sanitization and output escaping. The plugin uses sanitizetextfield on the 'userhash'...

CVE-2026-39842

OpenRemote is an open-source IoT platform. Versions 1.21.0 and below contain two interrelated expression injection vulnerabilities in the rules engine that allow arbitrary code execution on the server. The JavaScript rules engine executes user-supplied scripts via Nashorn's ScriptEngine.eval...

USN-8181-1 libowasp-esapi-java vulnerabilities

Jaroslav Lobačevski discovered that ESAPI incorrectly validated directory paths during path verification. An attacker could possibly use this issue to bypass directory validation checks, leading to control-flow bypass. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,...

firefox: thunderbird: Use-after-free in the JavaScript Engine component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the JavaScript Engine component...