Injection Affecting github.com/mattermost/mattermost-server/v6 package, versions *


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (15th percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERV6-6094993
  • published 29 Nov 2023
  • disclosed 27 Nov 2023
  • credit Unknown

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

github.com/mattermost/mattermost-server/v6 is an open source, private cloud, Slack-alternative.

Affected versions of this package are vulnerable to Injection when setting the channel name in the webapp during autocomplete. An attacker can inject HTML to a victim's page by creating a channel name that is valid HTML. This is only exploitable if the channel name is set to valid HTML.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
3.1 low
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    None
Expand this section

NVD

5.4 medium