EDB-ID: 43488 | Author: Mattia Furlani | Published: 2018-01-10 | CVE: CVE-2018-5263 | Type: Webapps | Platform: PHP | Vulnerable App: N/A | # Date: 06-01-2018
# Software Link: https://stackideas.com/easydiscuss
# Exploit Author: Mattia Furlani
# CVE: CVE-2018-5263
# Category: webapps
1. Description
Whenever a user edits a message with <\textarea> inside the body, everything after the <\textarea> will be executed in the user’s browser. Works with every version up to 4.0.20
2. Proof of Concept
Login with permissions to post a message, insert <\textarea> in the body and add any html code after that, whenever a user tries to edit that message the code writed after you closed the textarea will be executed
3. Solution:
Update to version 4.0.21
https://stackideas.com/blog/easydiscuss4021-update