漏洞信息
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Vulnerability Title
Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP
Vulnerability Description
Jupyter Server is the backend for Jupyter web applications. Prior to 2.20, the nbconvert HTTP handlers in jupyter_server render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default non-sanitizing behavior, a notebook carrying an HTML payload in a display_data output triggers stored XSS with cookie access, full /api/* authority, and kernel RCE. This vulnerability is fixed in 2.20.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA: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
Jupyter Server 处理逻辑错误漏洞
Vulnerability Description
jupyter-server jupyter_server是jupyter-server的Web服务器。 Jupyter Server 2.20之前版本存在安全漏洞,该漏洞源于nbconvert HTTP handlers在渲染用户编写的笔记本HTML时未设置沙箱指令的Content-Security-Policy,结合nbconvert.HTMLExporter的默认非清理行为,可能导致存储型跨站脚本攻击,获取cookie、完整的/api/*权限及内核远程代码执行。
CVSS Information
N/A
Vulnerability Type
N/A