Markdown 安全漏洞

Markdown is a Go library developed by gomarkdown, which is used to parse Markdown text and render it as HTML. There is a security vulnerability in Markdown, which arises from the use of SmartypantsRenderer when processing malformed inputs containing characters but no subsequent text. This can lea...

OpenClaw: QMD memory_get restricts reads to canonical or indexed memory paths

Summary The QMD backend memoryget read path accepted arbitrary workspace Markdown paths that were inside the workspace but outside the canonical memory locations or indexed QMD result set. Impact When the QMD backend was enabled, a caller with access to memoryget could read arbitrary .md files...

Note Mark 安全漏洞

Note Mark is a web-based Markdown note-taking application developed by Leo Spratt. Versions of Note Mark prior to 0.19.1 contained a security vulnerability. This vulnerability stemmed from the login endpoint only performing bcrypt password verification when a username was provided. This allowed...

Cross-site Scripting (XSS)

Overview @paperclipai/ui is a Prebuilt Paperclip board UI assets. 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...

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...

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...

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...

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-2026-5160

Versions of the package github.com/yuin/goldmark/renderer/html before 1.7.17 are vulnerable to Cross-site Scripting XSS due to improper ordering of URL validation and normalization. The renderer validates link destinations using a prefix-based check IsDangerousURL before resolving HTML entities...

goldmark 安全漏洞

Goldmark is a Markdown parser written in Go language by Yusuke Inuzuka. Versions of Goldmark prior to 1.7.17 contained security vulnerabilities, which were caused by improper URL validation and normalization order. These vulnerabilities could lead to cross-site scripting attacks...

SUSE CVE-2026-35166

Hugo is a static site generator. From 0.60.0 to before 0.159.2, links and image links in the default markdown to HTML renderer are not properly escaped. Hugo users who trust their Markdown content or have custom render hooks for links and images are not affected. This vulnerability is fixed in...

Cross-site Scripting (XSS)

Overview wwbn/avideo is an Audio and Video Platform or simply "A Video Platform". Affected versions of this package are vulnerable to Cross-site Scripting XSS in the ParsedownSafeWithLinks process. An attacker can execute arbitrary JavaScript in the context of another user's browser session by...

GHSA-M7R8-6Q9J-M2HC WWBN AVideo has an incomplete fix for CVE-2026-33500: XSS

Summary 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. Affected Package - Ecosystem: Other - Package: AVideo - Affected...

WWBN AVideo has an incomplete fix for CVE-2026-33500: XSS

Summary 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. Affected Package - Ecosystem: Other - Package: AVideo - Affected...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read via the smartLeftAngle function in smartypants.go file. An attacker can cause a panic or read unintended memory by providing input containing a character in the remaining text. PoC package main import "bytes" "fmt"...

Go Markdown has an Out-of-bounds Read in SmartypantsRenderer

Summary Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. Details The smartLeftAngle function in html/smartypants.go:367-376 performs an out-of-bounds slice operation when processing a characte...

CVE-2026-35600

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, task titles are embedded directly into Markdown link syntax in overdue email notifications without escaping Markdown special characters. When rendered by goldmark and sanitized by bluemonday which allows and tags,...

CORScanner

CORS Exploiter Automated CORS misconfiguration scanner with...

CVE-2026-39425 MaxKB: Stored XSS via Unsanitized html_rander Tags in Markdown Rendering

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability that allows authenticated users to inject arbitrary HTML and JavaScript into the Application prologue Opening Remarks field by wrapping malicious payloads in tags...

CVE-2026-39425

CVE-2026-39425 affects MaxKB (enterprise AI assistant). Versions 2.7.1 and earlier allow Stored XSS via unsanitized tags in the Application prologue, stored through /admin/api/workspace/{workspace_id}/application and rendered by the frontend via innerHTML, enabling persistent XSS and potential s...