LOW3.1

GHSA-jcgv-3pfq-j4hr

Mattermost Injection vulnerability

Quick fix

GHSA-jcgv-3pfq-j4hr — github.com/mattermost/mattermost/server/v8: upgrade to the fixed version with the command below.

go get github.com/mattermost/mattermost/server/v8@v8.1.4

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/mattermost/mattermost/server/v8

Introduced in: 0Fixed in: 8.1.4

Fixgo get github.com/mattermost/mattermost/server/v8@v8.1.4

Go/github.com/mattermost/mattermost-server/v6

Introduced in: 0Fixed in: 7.8.13

Fixgo get github.com/mattermost/mattermost-server/v6@v7.8.13

References

https://nvd.nist.gov/vuln/detail/CVE-2023-35075[ADVISORY]
https://github.com/mattermost/mattermost[PACKAGE]
https://mattermost.com/security-updates[WEB]