CVE-2017-18871

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions prior to 4.5.0 Mattermost Server version 4.4.5 Mattermost Server version 4.3.4 Mattermost Server version 4.2.2

Description: The issue allows attackers to cause a denial of service, resulting in an application crash, by using an @ character before a JavaScript field name.

Recommendations: For versions prior to 4.5.0, update to version 4.5.0 or later to resolve the issue. For version 4.4.5, update to version 4.5.0 or later to resolve the issue. For version 4.3.4, update to version 4.5.0 or later to resolve the issue. For version 4.2.2, update to version 4.5.0 or later to resolve the issue.