CVE-2023-7113

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Published Dec 29, 2023 CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed

Description

Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.

Affected Products

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

Vendor Product Default status Versions

Mattermost

Mattermost

unaffected

Version	Status	Constraints
`0`	affected	≤ 8.1.6
`0`	affected	≤ 9.2.0
`8.1.7`	unaffected	—
`9.2.0`	unaffected	—

Configuration 1 [-]

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update Mattermost Server to versions 8.1.7, 9.2.0 or higher.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-3217	Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.
Github GHSA	GHSA-h3gq-j7p9-x3p4	Mattermost Cross-site Scripting vulnerability

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.296% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://mattermost.com/security-updates

History

No history.

Subscriptions

Mattermost Mattermost Server

Weaknesses

CWE-79

Sources

CVE record Updated: Aug 2, 2024, 8:50 AM

Status: PUBLISHED
Assigner: Mattermost
Published: Dec 29, 2023, 12:46 PM
Updated: Aug 2, 2024, 8:50 AM
Reserved: Dec 26, 2023, 10:19 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 6:52 AM

Status: Modified
Published: Dec 29, 2023, 1:15 PM
Modified: Jun 17, 2026, 6:52 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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