CVE-2021-39906 - Vulnerability Details - OpenCVE

Description

Improper validation of ipynb files in GitLab CE/EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf.

Published: 2021-11-04

Score: 8.7 High

EPSS: 60.7% High

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

GitLab

GitLab

affected

Version	Status	Constraints
`>=13.5, <14.2.6`	affected	—
`>=14.3, <14.3.4`	affected	—
`>=14.4, <14.4.1`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-26262	Improper validation of ipynb files in GitLab CE/EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.60729.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39906.json
https://gitlab.com/gitlab-org/gitlab/-/issues/341566
https://hackerone.com/reports/1347600

History

No history.

Subscriptions

Gitlab Gitlab

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2021-11-04T23:04:36.000Z

Updated: 2024-08-04T02:20:33.690Z

Reserved: 2021-08-23T00:00:00.000Z

Link: CVE-2021-39906

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-05T00:15:10.977

Modified: 2026-06-17T04:04:24.110

Link: CVE-2021-39906

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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