CVE-2023-35075

LOW

Mattermost < 7.8.12, 8.0.0-8.1.3, 7.8.12-7.8.12 - HTML Injection via Channel Name Autocomplete

Title source: llm
STIX 2.1

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. 

References (1)

Core 1
Core References

Scores

CVSS v3 3.1
EPSS 0.0051
EPSS Percentile 66.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-74
Status published
Products (3)
mattermost/mattermost < 7.8.12
mattermost/mattermost 0 - 8.1.4Go
mattermost/mattermost-server 0 - 7.8.13Go
Published Nov 27, 2023
Tracked Since Feb 18, 2026