Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Affecting github.com/mattermost/mattermost-server/model package, versions <7.8.9>=7.10.0 <7.10.5>=8.0.0 <8.0.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.09% (40th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMMATTERMOSTMATTERMOSTSERVERMODEL-5861149
  • published25 Aug 2023
  • disclosed25 Aug 2023
  • creditUnknown

Introduced: 25 Aug 2023

CVE-2023-4478  (opens in a new tab)
CWE-74  (opens in a new tab)

How to fix?

Upgrade github.com/mattermost/mattermost-server/model to version 7.8.9, 7.10.5, 8.0.1 or higher.

Overview

github.com/mattermost/mattermost-server/model is an open source Slack-alternative in Golang and React.

Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'). During the signup process, an attacker can register users as inactive, thus preventing them from accessing the system without the system admin activating their accounts.

Note:

This is only exploitable if the attacker has knowledge of the signup process and can manipulate the parameters' values.

CVSS Base Scores

version 3.1