Security Focus Bugtraq: [RCESEC-2016-012] Mattermost <= 3.5.1 "/error" Unauthenticated Reflected Cross-Site Scripting / Content Injection January 19, 2017 007admin Leave a comment [RCESEC-2016-012] Mattermost <= 3.5.1 “/error” Unauthenticated Reflected Cross-Site Scripting / Content Injection