Exploits / Vulnerability Discovered : 2021-01-25 |
Type : webapps |
Platform : php
This exploit / vulnerability Mybb timeline plugin 1.0 crosssite scripting / csrf is for educational purposes only and if it is used you will do on your own risk!
1. Description:
MyBB Timeline replaces the default MyBB user profile. This introduces cross-site scripting on user profiles & a CSRF that allows for the users timeline banner/image to be changed.
2. Proof of Concept:
~ XSS via Thread/Post ~
- Make a new thread or reply to an existing thread
- Input a payload in either the thread title or main post itself <script>alert('XSS')</script>
Payload will execute when visiting your profile.
~ XSS via Location/Bio ~
- Go to User CP -> Edit Profile
- Input a payload in the Location/Bio <script>alert('XSS')</script>
Payload will execute when visiting your profile.