How severe is CVE-2015-6938?

CVE-2015-6938 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-6938 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6938?

CVE-2015-6938 primarily affects Jupyter Notebook. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-6938?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-6938 published?

CVE-2015-6938 was published on 2015-09-21 and last updated on 2026-06-17.

CVE-2015-6938

CVE-2015-6938 is a medium-severity vulnerability in Jupyter Notebook with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jupyter Notebook
Published: 2015-09-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2015-6938?: 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.
How severe is CVE-2015-6938?: CVE-2015-6938 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-6938 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6938?: CVE-2015-6938 primarily affects Jupyter Notebook. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-6938?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-6938 published?: CVE-2015-6938 was published on 2015-09-21 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:jupyter:notebook:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:jupyter:notebook:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:jupyter:notebook:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:jupyter:notebook:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:jupyter:notebook:4.0.4:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
cpe:2.3:a:ipython:notebook:*:*:*:*:*:*:*:*

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