漏洞信息
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Vulnerability Title
justhtml before 1.12.0 Sanitizer Bypass via Markdown
Vulnerability Description
justhtml versions <= 1.11.0 (fixed in 1.12.0) do not sufficiently escape HTML-significant characters (angle brackets) in text nodes when converting a parsed document to Markdown via to_markdown(). While a small set of Markdown metacharacters are escaped, characters such as < and > are preserved, so untrusted input that is safe in to_html() — including entity-decoded text (e.g. <script>) or text from RCDATA/RAWTEXT-parsed elements like <title>, <textarea>, <noscript>, and <plaintext> — can be emitted as raw HTML in the Markdown output, enabling a sanitizer bypass and potential cross-site scripting when that output is rendered.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Vulnerability Title
EmilStenstrom JustHTML 跨站脚本漏洞
Vulnerability Description
EmilStenstrom JustHTML是EmilStenstrom个人开发者开源的一个纯 Python HTML5 解析器。 EmilStenstrom JustHTML 1.11.0及之前版本存在跨站脚本漏洞,该漏洞源于在将解析的文档转换为Markdown时未充分转义文本节点中的HTML有效字符(尖括号),可能导致跨站脚本攻击。
CVSS Information
N/A
Vulnerability Type
N/A