CVE-2026-25516

CVE-2026-25516 affects NiceGUI’s ui.markdown() in multiple sources (NVD, Red Hat, OSV, etc.). The vulnerability arises because markdown2’s default behavior allows raw HTML to pass through, enabling attacker-controlled content to inject HTML/JS event handlers when rendered via innerHTML. ui.markdo...

CVE-2026-25516 NiceGUI's XSS vulnerability in ui.markdown() allows arbitrary JavaScript execution through unsanitized HTML content

NiceGUI is a Python-based UI framework. The ui.markdown component uses the markdown2 library to convert markdown content to HTML, which is then rendered via innerHTML. By default, markdown2 allows raw HTML to pass through unchanged. This means that if an application renders user-controlled conten...

CVE-2026-25516 NiceGUI's XSS vulnerability in ui.markdown() allows arbitrary JavaScript execution through unsanitized HTML content

NiceGUI is a Python-based UI framework. The ui.markdown component uses the markdown2 library to convert markdown content to HTML, which is then rendered via innerHTML. By default, markdown2 allows raw HTML to pass through unchanged. This means that if an application renders user-controlled conten...

CVE-2026-25516

NiceGUI is a Python-based UI framework. The ui.markdown component uses the markdown2 library to convert markdown content to HTML, which is then rendered via innerHTML. By default, markdown2 allows raw HTML to pass through unchanged. This means that if an application renders user-controlled conten...

EUVD-2026-5566

NiceGUI is a Python-based UI framework. The ui.markdown component uses the markdown2 library to convert markdown content to HTML, which is then rendered via innerHTML. By default, markdown2 allows raw HTML to pass through unchanged. This means that if an application renders user-controlled conten...

CVE-2026-25516 NiceGUI's XSS vulnerability in ui.markdown() allows arbitrary JavaScript execution through unsanitized HTML content

NiceGUI is a Python-based UI framework. The ui.markdown component uses the markdown2 library to convert markdown content to HTML, which is then rendered via innerHTML. By default, markdown2 allows raw HTML to pass through unchanged. This means that if an application renders user-controlled conten...

CVE-2026-25647

Lute is a structured Markdown engine supporting Go and JavaScript. Lute 1.7.6 and earlier as used in SiYuan before has a Stored Cross-Site Scripting XSS vulnerability in the Markdown rendering engine. An attacker can inject malicious JavaScript into a Markdown text/note. When another user clicks...

CVE-2026-25647

Lute is a structured Markdown engine supporting Go and JavaScript. Lute 1.7.6 and earlier as used in SiYuan before has a Stored Cross-Site Scripting XSS vulnerability in the Markdown rendering engine. An attacker can inject malicious JavaScript into a Markdown text/note. When another user clicks...

CVE-2026-25647 Lute has a Stored Cross-Site Scripting (XSS) via Markdown hyperlink

Lute is a structured Markdown engine supporting Go and JavaScript. Lute 1.7.6 and earlier as used in SiYuan before has a Stored Cross-Site Scripting XSS vulnerability in the Markdown rendering engine. An attacker can inject malicious JavaScript into a Markdown text/note. When another user clicks...

EUVD-2026-5622

Lute is a structured Markdown engine supporting Go and JavaScript. Lute 1.7.6 and earlier as used in SiYuan before has a Stored Cross-Site Scripting XSS vulnerability in the Markdown rendering engine. An attacker can inject malicious JavaScript into a Markdown text/note. When another user clicks...

CVE-2026-25647 Lute has a Stored Cross-Site Scripting (XSS) via Markdown hyperlink

Lute is a structured Markdown engine supporting Go and JavaScript. Lute 1.7.6 and earlier as used in SiYuan before has a Stored Cross-Site Scripting XSS vulnerability in the Markdown rendering engine. An attacker can inject malicious JavaScript into a Markdown text/note. When another user clicks...

CVE-2026-25647

Lute

CVE-2026-25647 Lute has a Stored Cross-Site Scripting (XSS) via Markdown hyperlink

Lute is a structured Markdown engine supporting Go and JavaScript. Lute 1.7.6 and earlier as used in SiYuan before has a Stored Cross-Site Scripting XSS vulnerability in the Markdown rendering engine. An attacker can inject malicious JavaScript into a Markdown text/note. When another user clicks...

PT-2026-6776

Name of the Vulnerable Software and Affected Versions Lute versions prior to 1.7.7 Description Lute, a structured Markdown engine supporting Go and JavaScript, contains a Stored Cross-Site Scripting XSS issue in its Markdown rendering engine. An attacker can inject malicious JavaScript into...

lute 跨站脚本漏洞

Lute is a structured Markdown engine developed by D individual. Versions of Lute 1.7.6 and earlier had a cross-site scripting vulnerability. This vulnerability stemmed from the Markdown rendering engine’s storage-based cross-site scripting feature, which could allow malicious JavaScript to be...

CVE-2026-25054

n8n is an open source workflow automation platform. Prior to versions 1.123.9 and 2.2.1, a Cross-Site Scripting XSS vulnerability existed in a markdown rendering component used in n8n's interface, including workflow sticky notes and other areas that support markdown content. An authenticated user...

NiceGUI's XSS vulnerability in ui.markdown() allows arbitrary JavaScript execution through unsanitized HTML content

Description The ui.markdown component uses the markdown2 library to convert markdown content to HTML, which is then rendered via innerHTML. By default, markdown2 allows raw HTML to pass through unchanged. This means that if an application renders user-controlled content through ui.markdown, an...

Cross-site Scripting (XSS)

Overview nicegui is a Create web-based user interfaces with Python. The nice way. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the ui.markdown function. An attacker can execute arbitrary JavaScript in the context of the user's browser by injecting malicious HTM...

GHSA-V82V-C5X8-W282 NiceGUI's XSS vulnerability in ui.markdown() allows arbitrary JavaScript execution through unsanitized HTML content

Description The ui.markdown component uses the markdown2 library to convert markdown content to HTML, which is then rendered via innerHTML. By default, markdown2 allows raw HTML to pass through unchanged. This means that if an application renders user-controlled content through ui.markdown, an...

CVE-2026-1811

A flaw has been found in bolo-blog bolo-solo up to 2.6.4. This affects the function importFromMarkdown of the file src/main/java/org/b3log/solo/bolo/prop/BackupService.java of the component Filename Handler. Executing a manipulation of the argument File can lead to path traversal. The attack may ...