myBB forums 1.8.26 Cross Site Scripting

Exploit Title: myBB forums 1.8.26 - Stored Cross-Site Scripting XSS Exploit Author: Andrey Stoykov Software Link: https://mybb.com/versions/1.8.26/ Version: 1.8.26 Tested on: Ubuntu 20.04 Stored XSS 1: To reproduce do the following: 1. Login as administrator user 2. Browse to "Templates and Style...