CVE-2023-7113 - Vulnerability Details - OpenCVE

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.

Published: 2023-12-29

Score: 3.7 Low

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

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

Sign in to view the affected projects.

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

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.

The EPSS score is 0.00296.

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Mattermost Mattermost Server

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2023-12-29T12:46:13.932Z

Updated: 2024-08-02T08:50:08.283Z

Reserved: 2023-12-26T10:19:31.976Z

Link: CVE-2023-7113

Vulnrichment

No data.

NVD

Status : Modified

Published: 2023-12-29T13:15:11.930

Modified: 2026-06-17T06:52:05.683

Link: CVE-2023-7113

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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