Joomla! Easydiscuss Cross Site Scripting

2018.01.11
Risk: Low
Local: Yes
Remote: No
CWE: CWE-79

# Exploit Title: Joomla Plugin Easydiscuss <4.0.21 Persistent XSS in Edit Message # 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 useras 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

References:

https://stackideas.com/blog/easydiscuss4021-update


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