# Exploit Title: MyBB Delete Account Plugin 1.4 - Cross-Site Scripting # Date: 1/25/2021 # Author: 0xB9 # Twitter: @0xB9Sec # Contact: 0xB9[at]pm.me # Software Link: https://github.com/vintagedaddyo/MyBB_Plugin-Delete_Account/ # Version: 1.4 # Tested on: Windows 10 1. Description: This plugin allows users to delete their account. Giving a reason for deleting your account is vulnerable to XSS. 2. Proof of Concept: - Go to User CP -> Delete Account - Input a payload for delete account reason Payload will execute here.. admin/index.php?module=user-deleteaccount