Is CVE-2024-28233 in the CISA KEV catalog?

No. CVE-2024-28233 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-28233?

CVE-2024-28233 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2024-28233?

CVE-2024-28233 has an EPSS score of 0.33% (25th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-28233?

Upgrade jupyterhub on debian 13 to 5.0.0+ds1-1 or later.

CVE & CISA-KEV Catalog

CVE-2024-28233

HIGH

8.1

CVSS v3

NVD

Description

JupyterHub is an open source multi-user server for Jupyter notebooks. By tricking a user into visiting a malicious subdomain, the attacker can achieve an XSS directly affecting the former's session. More precisely, in the context of JupyterHub, this XSS could achieve full access to JupyterHub API and user's single-user server. The affected configurations are single-origin JupyterHub deployments and JupyterHub deployments with user-controlled applications running on subdomains or peer subdomains of either the Hub or a single-user server. This vulnerability is fixed in 4.1.0.

CWE-79Cross-Site Scripting (XSS)CWE-352Cross-Site Request Forgery CWE-565

How to fix

Remediation Available

jupyterhubDebian

Fixed in:5.0.0+ds1-1CVE-2024-28233

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploit Intelligence

0.33%probability of exploitation in 30 days

25thpercentile

Low risk: more likely to be exploited than 25% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-09-02.