CVE-2021-22225 - Vulnerability Details - OpenCVE

Description

Insufficient input sanitization in markdown in GitLab version 13.11 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

Published: 2021-07-07

Score: 4.7 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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
`>=13.11.3, <13.11.6`	affected	—
`>=13.12, <13.12.6`	affected	—
`>=14.0, <14.0.2`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:gitlab:gitlab::::::::
	cpe:2.3:a:gitlab:gitlab::::::::
	cpe:2.3:a:gitlab:gitlab::::::::

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-9371	Insufficient input sanitization in markdown in GitLab version 13.11 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

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 0.00555.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22225.json
https://gitlab.com/gitlab-org/gitlab/-/issues/331051

History

No history.

Subscriptions

Gitlab Gitlab

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2021-07-07T11:19:53.000Z

Updated: 2024-08-03T18:37:17.432Z

Reserved: 2021-01-05T00:00:00.000Z

Link: CVE-2021-22225

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-07T12:15:08.380

Modified: 2026-06-17T03:36:50.483

Link: CVE-2021-22225

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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