WS-2020-0103

Versions of markdown-to-jsx prior to 6.11.4 are vulnerable to Cross-Site Scripting. Due to insufficient input sanitization the package may render output containing malicious JavaScript. This vulnerability can be exploited through input of links containing data or VBScript URIs and a base64-encode...

WS-2020-0101

markdown-it-katex through 2.0.3 is vulnerable to Cross-Site Scripting XSS. The package fails to properly escape error messages, which may allow attackers to execute arbitrary JavaScript in a victim's browser by triggering an error...

WS-2020-0040

The package discord-markdown allows any website using it with a user-generated markdown to be vulnerable to code injection via the page where the markdown is displayed...

WS-2019-0292

Simple-markdown before 0.5.2 is vulnerable to Regular Expression Denial of Service ReDoS. The SimpleMarkdown.defaultInlineParse function has significantly degraded performance when parsing inline code blocks...

WS-2019-0258

In Simple-markdown, versions prior to 0.5.2 are vulnerable to Regex Denial of Service ReDoS. The SimpleMarkdown.defaultInlineParse function has significantly degraded performance when parsing inline code blocks...

WS-2019-0167

buttle all versions have Cross-Site Scripting vulnerability Due to misconfiguration of its rendering engine, buttle does not sanitize the HTML output allowing attackers to run arbitrary JavaScript when processing malicious markdown files...

WS-2019-0156

markdown-it-toc-and-anchor before 4.2.0 Parsing markdown containing text+\n@toc causes the application to enter and infinite loop...

WS-2018-0094

All versions of react-marked-markdown are vulnerable to cross-site scripting XSS via href attributes. This is exploitable if user is provided to react-marked-markdown...

WS-2018-0071

Versions of mrk.js before 2.0.1 are vulnerable to cross-site scripting XSS when markdown is converted to HTML...

CVE-2026-42593: Improper Limitation of a Pathname to a Restricted Directory

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, pdfengines/merge, pdfengines/split, libreoffice/convert, chromium/convert/url, chromium/convert/html, and chromium/convert/markdown accept stampSource=pdf + stampExpression=/path and watermarkSource=pdf +...

CVE-2026-44363

MISP modules are autonomous modules that can be used to extend MISP for new services. Prior to 3.0.7, an unsafe remote resource fetching vulnerability existed in MISP Modules expansion modules. The htmltomarkdown module accepted arbitrary HTTPS URLs without sufficient validation, which could allo...

CVE-2026-44363 Unsafe remote resource fetching in expansion misp-modules

MISP modules are autonomous modules that can be used to extend MISP for new services. Prior to 3.0.7, an unsafe remote resource fetching vulnerability existed in MISP Modules expansion modules. The htmltomarkdown module accepted arbitrary HTTPS URLs without sufficient validation, which could allo...

CVE-2026-44363

MISP modules are autonomous modules that can be used to extend MISP for new services. Prior to 3.0.7, an unsafe remote resource fetching vulnerability existed in MISP Modules expansion modules. The htmltomarkdown module accepted arbitrary HTTPS URLs without sufficient validation, which could allo...

CentOS 9 : python-markdown-3.3.4-5.el9

The remote CentOS Linux 9 host has a package installed that is affected by a vulnerability as referenced in the python- markdown-3.3.4-5.el9 build changelog. - Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an...

Gitlab -- vulnerabilities

Gitlab reports: Cross-site Scripting issue in Analytics dashboard chart rendering impacts GitLab EE Cross-site Scripting issue in global search impacts GitLab CE/EE Cross-site Scripting issue in Duo Agent output rendering impacts GitLab EE Cross-site Scripting issue in Analytics Dashboard impacts...

OSV-2026-717 Stack-use-after-scope in enter_block_callback

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=511831392 Crash type: Stack-use-after-scope READ 4 Crash state: enterblockcallback mdprocessallblocks mdparse...

CVE-2026-43899

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, An incomplete mitigation for CVE-2025-55733 leaves DeepChat vulnerable to an arbitrary protocol execution bypass RCE. While the patch correctly restricted...

CVE-2026-43899 DeepChat: Incomplete Fix for CVE-2025-55733 leads to Remote Code Execution via Markdown Links bypassing `isValidExternalUrl`

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, An incomplete mitigation for CVE-2025-55733 leaves DeepChat vulnerable to an arbitrary protocol execution bypass RCE. While the patch correctly restricted...

CVE-2026-43899

DeepChat (open-source AI agent platform) has a CVE-2026-43899 stating an incomplete fix for CVE-2025-55733 prior to v1.0.4-beta.1. The issue: mitigation restricted api.openExternal() in renderer preload/index.ts but did not sanitize native Electron pop-up window handlers, allowing a compromised A...

CVE-2026-43899 DeepChat: Incomplete Fix for CVE-2025-55733 leads to Remote Code Execution via Markdown Links bypassing `isValidExternalUrl`

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, An incomplete mitigation for CVE-2025-55733 leaves DeepChat vulnerable to an arbitrary protocol execution bypass RCE. While the patch correctly restricted...