Is CVE-2015-6938 in the CISA KEV catalog?

No. CVE-2015-6938 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-6938?

CVE-2015-6938 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2015-6938?

CVE-2015-6938 has an EPSS score of 2.77% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-6938?

Upgrade ipython on debian 11 to 2.4.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2015-6938

MEDIUMEPSS 85th pctl

4.3

CVSS v2

NVD

Description

Cross-site scripting (XSS) vulnerability in the file browser in notebook/notebookapp.py in IPython Notebook before 3.2.2 and Jupyter Notebook 4.0.x before 4.0.5 allows remote attackers to inject arbitrary web script or HTML via a folder name. NOTE: this was originally reported as a cross-site request forgery (CSRF) vulnerability, but this may be inaccurate.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

ipythonDebian

Fixed in:2.4.1-1CVE-2015-6938

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.77%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Patch2

Exploit2

Third-Party Advisory4

Issue Tracking1

bugzilla.redhat.com

Other references1

seclists.org

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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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 2026-05-06.