CVE-2024-41662

CVE-2024-41662 Markdown XSS leads to RCE in VNote version NOTE: The application properly validates some JavaScript payloads by performing output encoding in the app. However, it fails to validate in certain cases...

CVE-2026-20841

CVE-2026-20841 Este contenido corresponde a una parte de lo que se proporciona a través del Informe Mensual para suscriptores de PatchPoint. Resumen Microsoft reveló un parche para una vulnerabilidad de RCE en el Bloc de notas en febrero de 2026. La vulnerabilidad es una vulnerabilidad de Inyecci...

CVE-2025-57298

Stored XSS via Unsafe Markdown Rendering in Kotaemon Summary Kotaemon is an open-source RAG Retrieval-Augmented Generation based document QA system that provides a web interface for querying uploaded documents such as PDF, Word, and Excel files. A stored cross-site scripting XSS vulnerability...

CVE-2026-49865

Kimai , an open-source time tracking application, versions prior to 2.58.0 are affected by a Server-Side Request Forgery (SSRF) in the invoice PDF preview and generation workflow. The root cause is that user-controlled Markdown fields (e.g., Customer.invoiceText) pass through an md2html filter in...

CVE-2026-8447

IBM Langflow OSS versions 1.0.0 through 1.11.2 contain a stored cross-site scripting vulnerability in the Playground chat interface. The root cause is the MarkdownField component rendering chat messages via the rehypeRaw plugin without a sanitization pass, allowing attacker-controlled LLM respons...

CVE-2026-9186

IBM Langflow OSS versions 1.0.0 through 1.11.2 contain an improper access control vulnerability (CWE-284) in the MCP configuration installation endpoint. The endpoint enforces a localhost-only restriction using a client IP helper that blindly trusts the X-Forwarded-For header without verifying th...

CVE-2026-9186 Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized Markdown rendering and untrusted proxy header trust

IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass localhost-only MCP configuration installation by spoofing X-Forwarded-For: 127.0.0.1 header, enabling arbitrary writes to IDE config files /.cursor/mcp.json, etc...

CVE-2026-85600 Grav Admin before 2.0.21 Stored XSS via username

Grav Admin getgrav/grav-plugin-admin2 versions , ", or ', allowing an attacker to register a username containing an HTML payload. When an administrator views a UI surface that renders the username through tHtml—such as the two-factor force-disable confirmation prompt or the 'page is locked' edito...

CVE-2026-82881 Aix-DB through 1.2.4 Stored Cross-Site Scripting via Markdown

Aix-DB through 1.2.4 renders markdown with raw HTML enabled into v-html bindings without sanitization, allowing stored cross-site scripting attacks. Attackers can inject malicious HTML and JavaScript through markdown content in chat responses, skill descriptions, or knowledge messages that execut...

CVE-2026-82881

Aix-DB through version 1.2.4 is vulnerable to stored cross-site scripting (XSS) . The root cause is that markdown is rendered with raw HTML enabled and bound to v-html without sanitization (specifically in web/src/components/MarkdownPreview/plugins/markdown.ts). An attacker with low privileges ca...

CVE-2026-82881 Aix-DB through 1.2.4 Stored Cross-Site Scripting via Markdown

Aix-DB through 1.2.4 renders markdown with raw HTML enabled into v-html bindings without sanitization, allowing stored cross-site scripting attacks. Attackers can inject malicious HTML and JavaScript through markdown content in chat responses, skill descriptions, or knowledge messages that execut...

PT-2026-83785

Name of the Vulnerable Software and Affected Versions Aix-DB versions 1.0 through 1.2.4 Description The software renders markdown with raw HTML enabled into v-html bindings without proper sanitization, leading to stored cross-site scripting. This allows attackers to inject malicious HTML and...

Security Bulletin: Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized Markdown rendering and untrusted proxy header trust

Summary Langflow contains two vulnerabilities affecting client-side security and access control integrity. The MarkdownField component renders chat messages using the rehypeRaw plugin without a sanitization pass, causing attacker-controlled LLM response text containing raw HTML to be inserted...

CVE-2026-79663 Ech0 before 4.7.3 Stored XSS via RSS feed tag names

Ech0 before 4.7.3 contains a stored cross-site scripting vulnerability in the public RSS feed where tag names and markdown content are rendered without HTML escaping. Attackers with admin privileges can inject malicious tag names or raw HTML in echo content that executes as JavaScript in RSS...

CVE-2026-77088

justhtml versions 0.9.0 through 1.21.0 are affected by a cross-site scripting (XSS) vulnerability in the to_markdown() function. The root cause is that inline code spans fail to treat blank lines as block boundaries. An attacker can inject blank lines into or element text to break the inline sp...

CVE-2026-77088 justhtml 0.9.0 through 1.21.0 Cross-Site Scripting via code-span

justhtml versions 0.9.0 through 1.21.0 contain a cross-site scripting vulnerability in tomarkdown where inline code spans fail to account for blank lines as block boundaries. Attackers can inject blank lines into code or pre element text to break the inline span, causing sanitized HTML to be...

EUVD-2026-64653

justhtml versions before 1.13.0 contain a cross-site scripting vulnerability in the tomarkdown function when serializing attacker-controlled pre content. Attackers can place backticks inside sanitized pre elements to break out of fixed-length code fences, allowing raw HTML to execute when the...

EUVD-2026-62848

Lemmy is a link aggregator and forum for the fediverse. Prior to lemmy-ui 0.19.19-beta.1, LemmyNet/lemmy-ui renders Markdown in src/shared/markdown.ts for post bodies, comment bodies, private messages, and community and site sidebars through mdToHtml, which returns a raw html object that Inferno...

CVE-2026-73237

CVE-2026-73237 concerns an XSS vulnerability in the Markdown handling pipeline of Apache Allura. Affected versions include 1.10.0 up to but not including 1.19.1. The issue is mitigated by upgrading to version 1.19.1, which contains the fix. The available documents do not specify the exact vulnera...

CVE-2026-69116 FlyEnv < 4.18.0 Cross-Site Scripting via v-html

FlyEnv before 4.18.0 fails to sanitize HTML from markdown rendering and AI chat content passed to Vue v-html directives. Attackers can inject malicious scripts through markdown sources or chat messages that execute in the Electron renderer process with access to Node.js APIs and the filesystem...