CVE-2026-39964

TypeBot (viewer at packages/embeds/js) before version 3.16.0 renders rich-text bubble links without filtering javascript: URIs. A bot author can set a link to javascript:PAYLOAD, which executes in the visitor’s browser context when clicked, allowing the attacker’s code to run with the host page’s...

CVE-2026-39964 TypeBot: Stored XSS via javascript: URI in text bubble links — bot author executes JS on visitors' browsers

TypeBot is a chatbot builder tool. In versions prior to 3.16.0, the Typebot viewer packages/embeds/js renders anchor tags from rich text bubble content without filtering the javascript: URI scheme. A bot author can set a link URL to javascript:PAYLOAD, which executes in the visitor's browser...

PT-2026-42817

Name of the Vulnerable Software and Affected Versions TypeBot versions prior to 3.16.0 Description The Typebot viewer renders anchor tags from rich text bubble content without filtering the javascript: URI scheme. This allows a bot author to set a link URL containing a malicious payload that...

Duplicate Advisory: phpMyFAQ: SVG Sanitizer Entity Decoding Depth Limit Bypass Leading to Stored XSS

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-whqh-9pq5-c7r3. This link is maintained to preserve external references. Original Description phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that...

GHSA-WJ3Q-VW2V-3RJ3 Duplicate Advisory: phpMyFAQ: SVG Sanitizer Entity Decoding Depth Limit Bypass Leading to Stored XSS

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-whqh-9pq5-c7r3. This link is maintained to preserve external references. Original Description phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that...

CVE-2026-46360

phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that limits recursive entity decoding to 5 iterations, allowing attackers to bypass sanitization. Authenticated users with FAQEDIT permission can upload malicious SVG files with deeply...

Improper Encoding or Escaping of Output

Overview sanitize-html is a library that allows you to clean up user-submitted HTML, preserving whitelisted elements and whitelisted attributes on a per-element basis Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output via the linkHref field handling. An...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the rendering process of the pending user overlay content due to improper sanitization order. An attacker can execute arbitrary JavaScript in the browser context of affected users ...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the sanitizeResponseContent process. An attacker can execute arbitrary JavaScript in the browser of another user by crafting a malicious model description containing a markdown lin...

CVE-2026-41063 WWBN AVideo has incomplete fix for CVE-2026-33500 (XSS)

WWBN AVideo is an open source video platform. In versions 29.0 and below, an incomplete XSS fix in AVideo's ParsedownSafeWithLinks class overrides inlineMarkup for raw HTML but does not override inlineLink or inlineUrlTag, allowing javascript: URLs in markdown link syntax to bypass sanitization...

EUVD-2026-24543

WWBN AVideo is an open source video platform. In versions 29.0 and below, the incomplete XSS fix in AVideo's ParsedownSafeWithLinks class overrides inlineMarkup for raw HTML but does not override inlineLink or inlineUrlTag, allowing javascript: URLs in markdown link syntax to bypass sanitization...

CVE-2026-40927 Docmost: XSS in Comments with JavaScript URI

Docmost is open-source collaborative wiki and documentation software. Prior to 0.80.0, when leaving a comment on a page, it is possible to include a JavaScript URI as the link. When a user clicks on the link the JavaScript executes. This vulnerability is fixed in 0.80.0...

CVE-2026-35451

Twenty is an open source CRM. Prior to 1.20.6, a Stored Cross-Site Scripting XSS vulnerability exists in the BlockNote editor component. Due to a lack of protocol validation in the FileBlock component and insufficient server-side inspection of block content, an attacker can inject a javascript: U...

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-2026-40322 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...

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...

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...