CVE-2021-39887 - Vulnerability Details - OpenCVE

Description

A stored Cross-Site Scripting vulnerability in the GitLab Flavored Markdown in GitLab CE/EE version 8.4 and above allowed an attacker to execute arbitrary JavaScript code on the victim's behalf.

Published: 2021-10-05

Score: 7.3 High

EPSS: < 1% Very Low

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
`>=8.4, <14.1.7`	affected	—
`>=14.2, <14.2.5`	affected	—
`>=14.3, <14.3.1`	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-2021-26243	A stored Cross-Site Scripting vulnerability in the GitLab Flavored Markdown in GitLab CE/EE version 8.4 and above allowed 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 Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00202.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39887.json
https://gitlab.com/gitlab-org/gitlab/-/issues/332903
https://hackerone.com/reports/1218174

History

No history.

Subscriptions

Gitlab Gitlab

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2021-10-05T11:12:11.000Z

Updated: 2024-08-04T02:20:33.689Z

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

Link: CVE-2021-39887

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-05T12:15:07.903

Modified: 2024-11-21T06:20:28.653

Link: CVE-2021-39887

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

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