漏洞信息
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Vulnerability Title
justhtml before 1.14.0 Mutation XSS via custom sanitization policies
Vulnerability Description
justhtml versions 1.13.0 and earlier contain a parser-differential / mutation cross-site scripting (mXSS) vulnerability when using a custom SanitizationPolicy that preserves foreign namespaces (e.g., drop_foreign_namespaces=False with allowlisted SVG/MathML elements or raw-text containers such as <style>). Specially crafted input can sanitize into markup that appears safe but becomes unsafe when re-parsed by a browser or another HTML parser, allowing markup injection. The default safe configuration (sanitize=True) is not affected. Fixed in 1.14.0.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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 1.13.0及之前版本存在跨站脚本漏洞,该漏洞源于使用自定义SanitizationPolicy保留外来命名空间时存在解析器差异/突变跨站脚本漏洞,特制输入可清洗为看似安全但被浏览器或其他HTML解析器重新解析时不安全的标记,导致标记注入。
CVSS Information
N/A
Vulnerability Type
N/A