A vulnerability was found in Mattermost up to 7.8.13/8.1.4/9.0.2/9.1.1. It has been classified as problematic. Affected is an unknown function of the file in//channels/ allowing of the component Route Handler. The manipulation leads to injection.
This vulnerability is traded as CVE-2023-6458. It is possible to launch the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
