CVE-2024-28233

HIGHNVD 8.18.1
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.1 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 71% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.1
EG Score
8.1(medium)
EPSS
25.2%
KEV
Not listed

Published

March 27, 2024

Last Modified

September 2, 2025

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
jupyterhub0.1.0 ... 4.0.2 (74 versions)4.1.0

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-07-22 14:07 UTCEPSS rescore
  2. 2026-07-21 15:23 UTCEPSS rescore
  3. 2026-07-20 17:06 UTCEPSS rescore
  4. 2026-07-19 14:30 UTCEPSS rescore
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  15. 2026-07-14 16:10 UTCOSV refresh
  16. 2026-07-13 22:28 UTCEPSS rescore
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  24. 2026-07-07 13:45 UTCEPSS rescore
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  1. 2026-07-06 16:26 UTCEPSS rescore
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  6. 2026-07-02 17:00 UTCEPSS rescore
  7. 2026-07-01 15:05 UTCEPSS rescore
  8. 2026-06-30 23:21 UTCEPSS rescore
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  15. 2026-06-27 03:07 UTCEPSS rescore
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  17. 2026-06-26 17:07 UTCOSV refresh
  18. 2026-06-25 13:49 UTCEPSS rescore
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  20. 2026-06-24 14:04 UTCEPSS rescore
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  22. 2026-06-23 21:32 UTCEPSS rescore
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  24. 2026-06-22 14:25 UTCEPSS rescore
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  26. 2026-06-21 14:55 UTCEPSS rescore
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  28. 2026-06-21 01:58 UTCEPSS rescore
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  30. 2026-06-19 19:25 UTCEPSS rescore
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  40. 2026-06-13 22:59 UTCEPSS rescore
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  42. 2026-06-12 23:11 UTCEPSS rescore
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  44. 2026-06-11 13:59 UTCEPSS rescore
  45. 2026-06-10 22:17 UTCEPSS rescore
  46. 2026-06-10 13:21 UTCEPSS rescore
  47. 2026-06-10 13:21 UTCEPSS rescore
  48. 2026-06-08 23:45 UTCOSV refresh
  49. 2026-06-08 14:16 UTCEPSS rescore
  50. 2026-06-07 15:24 UTCEPSS rescore
  51. 2026-06-07 15:24 UTCEPSS rescore
  52. 2026-06-06 13:46 UTCEPSS rescore
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  70. 2026-05-29 13:43 UTCEPSS rescore
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  72. 2026-05-28 13:44 UTCEPSS rescore
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  75. 2026-05-27 13:40 UTCEPSS rescore

Frequently asked(5)

What is CVE-2024-28233?
CVE-2024-28233 is a high vulnerability published on March 27, 2024. 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…
When was CVE-2024-28233 disclosed?
CVE-2024-28233 was first published in the National Vulnerability Database on March 27, 2024, with the most recent update on September 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-28233 actively exploited?
CVE-2024-28233 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-28233?
CVE-2024-28233 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2024-28233?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-28233, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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