漏洞信息
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Vulnerability Title
justhtml before 1.17.0 Multiple Cross-Site Scripting Vulnerabilities
Vulnerability Description
justhtml before 1.17.0 contains multiple security issues in sanitization, serialization, and programmatic DOM handling. When custom policies preserve foreign namespaces (SVG/MathML), dangerous content such as HTML integration points (SVG <foreignObject>, MathML <annotation-xml encoding="text/html">) and mutation-XSS parser-differential payloads could survive sanitization and become active HTML after reparse; SVG filter="url(...)" and preserved <style> could leave resource-loading CSS (@import, background-image:url()). Programmatic script/style/Comment nodes could serialize into active markup. Additional hardening fixes address sanitize-pipeline cache mutation and DOM parent/child cycles that could cause infinite loops. Most issues affect advanced or custom configurations rather than the default JustHTML(..., sanitize=True) safe path.
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 1.17.0之前版本存在跨站脚本漏洞,该漏洞源于清理、序列化和程序化DOM处理存在多个安全问题,可能导致跨站脚本攻击和无限循环。
CVSS Information
N/A
Vulnerability Type
N/A