What is CVE-2023-35394?

CVE-2023-35394 is a medium-severity vulnerability in Microsoft Azure Hdinsight, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2023-08-08.

How severe is CVE-2023-35394?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Microsoft Azure Hdinsight

CVE-2023-35394

Azure HDInsight Jupyter Notebook Spoofing Vulnerability

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-08-08 · last modified 2026-08-10.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.5th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Microsoft Azure Hdinsight — versions 1.0
Microsoft Azure Hdinsight

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35394 (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-35394?: CVE-2023-35394 is a medium-severity vulnerability in Microsoft Azure Hdinsight, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2023-08-08.
How severe is CVE-2023-35394?: Medium severity. CVSS v3 base score is 4.6 out of 10.