Mattermost security vulnerabilities

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in Mattermost versions 11.4.0 and earlier 11.4.x series, 11.3.1 and earlier 11.3.x series, 11.2.3 and earlier 11.2.x series, as well as 10.11.11 and earlier 10.11.x series. Thes...