CVE-2026-47423 漏洞深度分析

漏洞概述

CVE 编号: CVE-2026-47423
CVSS 评分: 8.2(HIGH)
CVSS 向量: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
CWE 分类: CWE-79
漏洞状态: Received
发布时间: 2026-07-14T20:17:02.143
最后更新: 2026-07-14T20:17:02.143

漏洞描述

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5.

影响分析

此漏洞的具体影响取决于实际利用场景。"

修复建议

  1. 及时关注厂商发布的安全更新和补丁
  2. 升级受影响组件到最新版本
  3. 如无法立即升级,参考厂商提供的临时缓解措施
  4. 加强网络访问控制和监控

参考链接

  1. https://github.com/cure53/DOMPurify/commit/011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea
  2. https://github.com/cure53/DOMPurify/releases/tag/3.4.5
  3. https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx