CVE-2024-28233

Summary

CVE-2024-28233 is a newly disclosed vulnerability affecting JupyterHub, an open-source multi-user platform for Jupyter notebooks. Malicious actors can exploit this Cross-Site Scripting (XSS) issue by luring users to visit a malicious subdomain, allowing the attacker to inject malicious code into the user's session. In a JupyterHub context, this XSS attack grants the attacker access to the JupyterHub API and control over the user's single-user server. This vulnerability poses a threat to single-origin JupyterHub deployments and installations with user-controlled applications running on subdomains or peer subdomains. The vulnerability has been addressed in JupyterHub version 4.1.0.

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