Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities.
The code uses deprecated or obsolete functions, which suggests that the code has not been actively reviewed or maintained.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mattermost_server | Mattermost | * | 6.5.0 (excluding) |
As programming languages evolve, functions occasionally become obsolete due to:
Functions that are removed are usually replaced by newer counterparts that perform the same task in some different and hopefully improved way.