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...

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...

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...

CVE-2026-34212

Docmost is open-source collaborative wiki and documentation software. In versions prior to 0.71.0, improper neutralization of attachment URLs in Docmost allows a low-privileged authenticated user to store a malicious javascript: URL inside an attachment node in page content. When another user vie...

GHSA-CPM7-CFPX-3HVP Emissary has Stored XSS via Navigation Template Link Injection

Summary Mustache navigation templates interpolated configuration-controlled link values directly into href attributes without URL scheme validation. An administrator who could modify the navItems configuration could inject javascript: URIs, enabling stored cross-site scripting XSS against other...

EUVD-2026-19724

Emissary has Stored XSS via Navigation Template Link Injection...

CVE-2026-35571

Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, Mustache navigation templates interpolated configuration-controlled link values directly into href attributes without URL scheme validation. An administrator who could modify the navItems configuration could inject javascript:...

PT-2026-30890

Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, Mustache navigation templates interpolated configuration-controlled link values directly into href attributes without URL scheme validation. An administrator who could modify the navItems configuration could inject javascript:...

Emissary 跨站脚本漏洞

Emissary is a distributed P2P data-driven workflow framework developed by the National Security Agency. Versions of Emissary prior to 8.39.0 contained a cross-site scripting vulnerability. This vulnerability stemmed from the Mustache navigation template directly inserting configured link values...

CVE-2026-32117

The grafanacubism-panel plugin allows use of cubism.js in Grafana. In 0.1.2 and earlier, the panel's zoom-link handler passes a dashboard-editor-supplied URL directly to window.location.assign / window.open with no scheme validation. An attacker with dashboard Editor privileges can set the link t...

CVE-2026-33500 AVideo Vulnerable to Stored XSS via Markdown `javascript:` URI Bypasses ParsedownSafeWithLinks Sanitization

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the fix for CVE-2026-27568 GHSA-rcqw-6466-3mv7 introduced a custom ParsedownSafeWithLinks class that sanitizes raw HTML and tags in comments, but explicitly disables Parsedown's safeMode. This creates a bypass:...

CVE-2026-33500 AVideo Vulnerable to Stored XSS via Markdown `javascript:` URI Bypasses ParsedownSafeWithLinks Sanitization

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the fix for CVE-2026-27568 GHSA-rcqw-6466-3mv7 introduced a custom ParsedownSafeWithLinks class that sanitizes raw HTML and tags in comments, but explicitly disables Parsedown's safeMode. This creates a bypass:...

EUVD-2026-13072

The Info Cards – Add Text and Media in Card Layouts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'btnUrl' parameter within the Info Cards block in all versions up to, and including, 2.0.7. This is due to insufficient input validation on URL schemes, specifically the...

CVE-2026-4120

The Info Cards – Add Text and Media in Card Layouts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'btnUrl' parameter within the Info Cards block in all versions up to, and including, 2.0.7. This is due to insufficient input validation on URL schemes, specifically the...

Ruby on Rails: Rails::HTML::Sanitizer.allowed_uri? returns true for entity-encoded control-character-split javascript: URLs

A vulnerability was discovered in the Rails::HTML::Sanitizer.alloweduri? method of the rails-html-sanitizer library. The method incorrectly returned true for entity-encoded control-character-split javascript: URLs, which could lead to potential security issues if the application relied on the...

CVE-2026-27568

WWBN AVideo is an open source video platform. Prior to version 21.0, AVideo allows Markdown in video comments and uses Parsedown v1.7.4 without Safe Mode enabled. Markdown links are not sufficiently sanitized, allowing javascript: URIs to be rendered as clickable links. An authenticated...

CVE-2026-27568

WWBN AVideo is an open source video platform. Prior to version 21.0, AVideo allows Markdown in video comments and uses Parsedown v1.7.4 without Safe Mode enabled. Markdown links are not sufficiently sanitized, allowing javascript: URIs to be rendered as clickable links. An authenticated...

CVE-2026-27568 AVideo has Stored Cross-Site Scripting via Markdown Comment Injection

WWBN AVideo is an open source video platform. Prior to version 21.0, AVideo allows Markdown in video comments and uses Parsedown v1.7.4 without Safe Mode enabled. Markdown links are not sufficiently sanitized, allowing javascript: URIs to be rendered as clickable links. An authenticated...

CVE-2026-27568 AVideo has Stored Cross-Site Scripting via Markdown Comment Injection

WWBN AVideo is an open source video platform. Prior to version 21.0, AVideo allows Markdown in video comments and uses Parsedown v1.7.4 without Safe Mode enabled. Markdown links are not sufficiently sanitized, allowing javascript: URIs to be rendered as clickable links. An authenticated...

GHSA-RCQW-6466-3MV7 AVideo has Stored Cross-Site Scripting via Markdown Comment Injection

Vulnerability Type Stored Cross-Site Scripting XSS — CWE-79. Affected Product/Versions AVideo 18.0. Root Cause Summary AVideo allows Markdown in video comments and uses Parsedown v1.7.4 without Safe Mode enabled. Markdown links are not sufficiently sanitized, allowing javascript: URIs to be...