Unverified50% confidenceFactExact time
Markdown 解析器渲染 HTML 时的主要安全威胁是跨站脚本攻击（XSS），因标准 Markdown 允许内嵌原生 HTML
1
Sources
50%
Confidence
Long-term
Relevance
7/16/2026
First Seen
Sources
Related Claims
UnverifiedAllowing users to submit rich text content containing HTML markup can lead to XSS (Cross-Site Scripting) attacks, where malicious users can inject script tags to execute arbitrary JavaScript code.77% similarUnverifiedXSS 防护主流方案包括输出净化（DOMPurify、sanitize-html）、沙箱隔离（iframe sandbox、Web Workers）和从源头禁用原始 HTML 内嵌76% similarUnverified无JS页面天然规避了跨站脚本（XSS）攻击面，在安全敏感的内容展示场景下是有意义的架构选择69% similarUnverifiedHTML的diff极其嘈杂难以审查，是HTML替代Markdown的最大缺点69% similarUnverifiedinnerHTML carries an XSS risk because it parses the string as HTML and executes any script tags or event handler attributes (such as onerror) within it.68% similar
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