CVE-2023-35075 - Vulnerability Details - OpenCVE

Description

Mattermost fails to use innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a channel name that is valid HTML. No XSS is possible though.

Published: 2023-11-27

Score: 3.1 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	≤ 8.1.3
`0`	affected	≤ 7.8.12
`7.8.13`	unaffected	—
`8.1.4`	unaffected	—

Configuration 1 [-]

OR	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost::::::::

No data.

No data available yet.

Remediation

Vendor Solution

Update Mattermost Server to versions 7.8.13, 8.1.4 or higher.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-2986	Mattermost fails to use innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a channel name that is valid HTML. No XSS is possible though.
Github GHSA	GHSA-jcgv-3pfq-j4hr	Mattermost Injection vulnerability

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0051.

Exploitation none

Automatable no

Technical Impact partial

References

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

History

Tue, 03 Jun 2025 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Mattermost Mattermost

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2023-11-27T09:09:19.659Z

Updated: 2025-06-03T14:01:04.187Z

Reserved: 2023-11-20T12:06:31.656Z

Link: CVE-2023-35075

Vulnrichment

Updated: 2024-08-02T16:23:58.680Z

NVD

Status : Modified

Published: 2023-11-27T10:15:07.257

Modified: 2024-11-21T08:07:55.753

Link: CVE-2023-35075

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-74

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