CVE-2023-35075
Assigner: Mattermost
Published: 2023-11-27T09:09:19.659Z
State: PUBLISHED
affected: defaultStatus: unaffected
product: Mattermost
vendor: Mattermost
versions: lessThanOrEqual: 8.1.3
status: affected
version: 0
versionType: semver
lessThanOrEqual: 7.8.12
status: affected
version: 0
versionType: semver
status: unaffected
version: 7.8.13
status: unaffected
version: 8.1.4
credits: type: finder
user: 00000000-0000-4000-9000-000000000000
value: Harrison Healey
descriptions: supportingMedia: base64: no
type: text/html
value: <p>Mattermost fails to use&nbsp; innerText /&nbsp;textContent&nbsp;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.&nbsp;</p>
value: 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. 


metrics: cvssV3_1: attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 3.1
baseSeverity: LOW
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
version: 3.1
format: CVSS
scenarios: value: GENERAL
problemTypes: descriptions: cweId: CWE-74
description: CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
type: CWE
solutions: supportingMedia: base64: no
type: text/html
value: <p>Update Mattermost Server to versions 7.8.13, 8.1.4 or higher.</p>
value: Update Mattermost Server to versions 7.8.13, 8.1.4 or higher.


source: advisory: MMSA-2023-00228
defect: https://mattermost.atlassian.net/browse/MM-53371
discovery: EXTERNAL
title: HTML injection via channel autocomplete
x_generator: engine: Vulnogram 0.1.0-dev