lightrag-hku: Stored Cross-Site Scripting (XSS) in the LightRAG WebUI chat/answer renderer via ingested content

SummaryThe LightRAG WebUI renders assistant/answer chat content as raw HTML — react-markdown isconfigured with rehypePlugins=rehypeRaw and skipHtml=false and no HTML sanitizerrehype-sanitize, element allow-list, or custom urlTransform. Because answer content is derivedfrom user-ingested documents...

lightrag-hku: Stored Cross-Site Scripting (XSS) in the LightRAG WebUI chat/answer renderer via ingested content

Summary The LightRAG WebUI renders assistant/answer chat content as raw HTML — react-markdown is configured with rehypePlugins=rehypeRaw and skipHtml=false and no HTML sanitizer rehype-sanitize, element allow-list, or custom urlTransform. Because answer content is derived from user-ingested...

GHSA-XPJQ-3W4W-W5WR lightrag-hku: Stored Cross-Site Scripting (XSS) in the LightRAG WebUI chat/answer renderer via ingested content

Summary The LightRAG WebUI renders assistant/answer chat content as raw HTML — react-markdown is configured with rehypePlugins=rehypeRaw and skipHtml=false and no HTML sanitizer rehype-sanitize, element allow-list, or custom urlTransform. Because answer content is derived from user-ingested...

CVE-2026-86062

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, lightragwebui/src/components/retrieval/ChatMessage.tsx renders answer and thinking content with react-markdown, rehypeRaw, and skipHtml=false without an HTML sanitizer. An attacker who can add a document can store r...

EUVD-2026-84550

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, lightragwebui/src/components/retrieval/ChatMessage.tsx renders answer and thinking content with react-markdown, rehypeRaw, and skipHtml=false without an HTML sanitizer. An attacker who can add a document can store r...

CVE-2026-86062 LightRAG: Stored Cross-Site Scripting (XSS) in the LightRAG WebUI chat/answer renderer via ingested content

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, lightragwebui/src/components/retrieval/ChatMessage.tsx renders answer and thinking content with react-markdown, rehypeRaw, and skipHtml=false without an HTML sanitizer. An attacker who can add a document can store r...

CVE-2026-86062

LightRAG (prior to version 1.5.5 ) is vulnerable to Stored Cross-Site Scripting (XSS) in the WebUI chat/answer renderer. The issue exists because lightrag_webui/src/components/retrieval/ChatMessage.tsx uses react-markdown with rehypeRaw and skipHtml=false without an HTML sanitizer. This allows an...

CVE-2026-86062 LightRAG: Stored Cross-Site Scripting (XSS) in the LightRAG WebUI chat/answer renderer via ingested content

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, lightragwebui/src/components/retrieval/ChatMessage.tsx renders answer and thinking content with react-markdown, rehypeRaw, and skipHtml=false without an HTML sanitizer. An attacker who can add a document can store r...

PT-2026-96828

Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.5.5 Description LightRAG WebUI is subject to stored cross-site scripting XSS because it renders assistant answer and thinking content as raw HTML without an HTML sanitizer. The application uses react-markdown...

CVE-2026-86062: Improper Neutralization of Input During Web Page Generation

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, lightragwebui/src/components/retrieval/ChatMessage.tsx renders answer and thinking content with react-markdown, rehypeRaw, and skipHtml=false without an HTML sanitizer. An attacker who can add a document can store r...

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...

PT-2026-35310

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...

Malicious code in react-markdown-canvas (npm)

Malicious package due to data exfiltration via Discord webhook on install. Collects IP, hostname, and date without consent. --- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4123db6526d8c37f99fa33e2524edc97922efef6b1605dc0a8acdbf41e76cc77 The package...

MAL-2026-1040 Malicious code in react-markdown-canvas (npm)

Malicious package due to data exfiltration via Discord webhook on install. Collects IP, hostname, and date without consent. --- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4123db6526d8c37f99fa33e2524edc97922efef6b1605dc0a8acdbf41e76cc77 The package...

Malware in react-markdown-v7

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outsid...

Malicious Package

Overview react-markdown-v7 is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

Malicious code in react-markdown-v7 (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware cb4130aead07e462025fb467846b74aa4c38639038c68e74114f27e34ede57b6 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

MAL-2025-41270 Malicious code in react-markdown-v7 (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware cb4130aead07e462025fb467846b74aa4c38639038c68e74114f27e34ede57b6 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Cross-site Scripting (XSS) - Generic in uiwjs/react-md-editor

Description XSS vulnerability through the markdown editor Proof of Concept Steps to Reproduce Visit the demo page. Past the payload in the markdown editor. Impact - Steal a user's token - Session hijacking...