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-2025-13523

Mattermost Confluence plugin version 1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connectio...

SUSE CVE-2026-23850

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...

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

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-2026-25647 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...

CVE-2026-25556

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the HTML template rendering process. An attacker can execute arbitrary JavaScript in the context of a victim's browser by sending a specially crafted OAuth2 connection link containing a malicious display nam...

CVE-2025-13523

Mattermost Confluence plugin version 1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connectio...

CVE-2026-25556

CVE-2026-25556 affects MuPDF versions 1.23.0–1.27.0 and describes a double-free in fz_fill_pixmap_from_display_list() when an exception occurs during display list rendering. The function drops a caller-owned fz_pixmap in its error path before rethrowing, and the bar‑code decoding path can drop th...

CVE-2026-25556

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

MuPDF 资源管理错误漏洞

MuPDF is an open-source software library written in C language. It is used to render pages as bitmaps, but also provides support for other operations such as searching and listing directories and links. Versions of MuPDF prior to 1.27.0 had a resource management vulnerability. This vulnerability...

Cisco TelePresence Collaboration Endpoint Software and RoomOS Software DoS (cisco-sa-tce-roomos-dos-9V9jrC2q)

According to its self-reported version, Cisco TelePresence Collaboration Endpoint Software and RoomOS Software Denial of Service is affected by a vulnerability. - A vulnerability in the text rendering subsystem of Cisco TelePresence Collaboration Endpoint CE Software and Cisco RoomOS Software cou...

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...

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...

CVE-2026-20119

A vulnerability in the text rendering subsystem of Cisco TelePresence Collaboration Endpoint CE Software and Cisco RoomOS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient validation...

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...