CVE-2026-33066 SiYuan has Stored XSS to RCE via Unsanitized Bazaar README Rendering

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the backend renderREADME function uses lute.New without calling SetSanitizetrue, allowing raw HTML embedded in Markdown to pass through unmodified. The frontend then assigns the rendered HTML to innerHTML without any...

GHSA-VCCX-P757-PV6H mo has a XSS via inline SVG script tags in Markdown rendering

Summary When rendering Markdown files containing inline SVG elements with tags, the embedded JavaScript is executed in the browser. This is due to rehype-raw passing raw HTML including SVG through to the DOM without sanitization. PoC html alert1 Embedding the above in a Markdown file opened with ...

mo has a XSS via inline SVG script tags in Markdown rendering

Summary When rendering Markdown files containing inline SVG elements with tags, the embedded JavaScript is executed in the browser. This is due to rehype-raw passing raw HTML including SVG through to the DOM without sanitization. PoC html alert1 Embedding the above in a Markdown file opened with ...

CVE-2026-32626

AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. In 1.11.1 and earlier, AnythingLLM Desktop contains a Streaming Phase XSS vulnerability in the chat rendering pipeline that escalates to Remote Code Execution on the host OS...

CVE-2026-32626 AnythingLLM has a Streaming Phase XSS to RCE via LLM Response Injection

AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. In 1.11.1 and earlier, AnythingLLM Desktop contains a Streaming Phase XSS vulnerability in the chat rendering pipeline that escalates to Remote Code Execution on the host OS...

GHSA-WVH5-6VJM-23QH OneUptime: Stored XSS via Mermaid Diagram Rendering (securityLevel: "loose")

Summary The Markdown viewer component renders Mermaid diagrams with securityLevel: "loose" and injects the SVG output via innerHTML. This configuration explicitly allows interactive event bindings in Mermaid diagrams, enabling XSS through Mermaid's click directive which can execute arbitrary...

EUVD-2026-11720

OneUptime: Stored XSS via Mermaid Diagram Rendering securityLevel: "loose"...

DRUPAL-CONTRIB-2026-028

The module and certain submodules AI Automators, AI Translate, AI API Explorer, AI Content Suggestions provide the ability to use an LLM to generate HTML or Markdown and preview it in a browser. Under certain circumstances, rendering of this HTML can lead to exposing secret communications in the...

EUVD-2026-11235

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, this vulnerability occurs due to improper validation of OpenProject’s Markdown rendering, specifically in the hyperlink handling. This allows an attacker to inject malicious hyperlink payloads that perform DOM...

CVE-2026-30235

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, this vulnerability occurs due to improper validation of OpenProject’s Markdown rendering, specifically in the hyperlink handling. This allows an attacker to inject malicious hyperlink payloads that perform DOM...

CVE-2026-30235 Business Logic Error on OpenProject through hyperlinks in markdown using DOM clobbering

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, this vulnerability occurs due to improper validation of OpenProject’s Markdown rendering, specifically in the hyperlink handling. This allows an attacker to inject malicious hyperlink payloads that perform DOM...

OpenProject cross-site scripting vulnerabilities

OpenProject is an open-source web-based project management software. Versions of OpenProject prior to 17.2.0 had a cross-site scripting vulnerability. This vulnerability stemmed from improper Markdown rendering validation in OpenProject, especially in the handling of hyperlinks. It could allow...

AI (Artificial Intelligence) - Moderately critical - Information Disclosure - SA-CONTRIB-2026-028

The module and certain submodules AI Automators, AI Translate, AI API Explorer, AI Content Suggestions provide the ability to use an LLM to generate HTML or Markdown and preview it in a browser. Under certain circumstances, rendering of this HTML can lead to exposing secret communications in the...

CVE-2026-30235: Improper Neutralization of Input During Web Page Generation

OpenProject is an open-source, web-based project management software. Prior to 17.2.0, this vulnerability occurs due to improper validation of OpenProject’s Markdown rendering, specifically in the hyperlink handling. This allows an attacker to inject malicious hyperlink payloads that perform DOM...

CVE-2026-29082

Kestra is an event-driven orchestration platform. In versions from 1.1.10 and prior, Kestra’s execution-file preview renders user-supplied Markdown .md with markdown-it instantiated as html:true and injects the resulting HTML with Vue’s v-html without sanitisation. At time of publication, there a...

CVE-2026-29082

Kestra is an event-driven orchestration platform. In versions from 1.1.10 and prior, Kestra’s execution-file preview renders user-supplied Markdown .md with markdown-it instantiated as html:true and injects the resulting HTML with Vue’s v-html without sanitisation. At time of publication, there a...

CVE-2026-29082 Kestra: Stored Cross-Site Scripting in Markdown File Preview

Kestra is an event-driven orchestration platform. In versions from 1.1.10 and prior, Kestra’s execution-file preview renders user-supplied Markdown .md with markdown-it instantiated as html:true and injects the resulting HTML with Vue’s v-html without sanitisation. At time of publication, there a...

PT-2026-23727

Kestra is an event-driven orchestration platform. In versions from 1.1.10 and prior, Kestra’s execution-file preview renders user-supplied Markdown .md with markdown-it instantiated as html:true and injects the resulting HTML with Vue’s v-html without sanitisation. At time of publication, there a...

Kestra cross-site scripting vulnerabilities

Kestra is an open-source workflow automation platform developed by Kestra. Versions of Kestra 1.1.10 and earlier had a cross-site scripting vulnerability. This vulnerability stemmed from the lack of cleanup when rendering Markdown formats provided by users, which could lead to cross-site scriptin...

GHSA-R294-2894-92J3 OpenClaw has stored XSS in exported session HTML viewer via markdown/raw-HTML rendering

Summary The exported session HTML viewer allowed stored XSS when untrusted session content included raw HTML markdown tokens or unescaped metadata fields. Impact Opening a crafted exported HTML session could execute attacker-controlled JavaScript in the viewer context. This can expose session...