Stored XSS in MyBB <= 1.8.20

[H-DB]

https://blog.sucuri.net/2019/06/stored-xss-in-mybb.html

The open source PHP forum software myBB recently published a new update, version 1.8.21. This is a security release fixing a Stored XSS vulnerability in the private messaging and post modules.

 

[Tom Kent]

We would recommend every forum owner updates as soon as possible.