Adlisting Classified Ads 2.14.0 Information Disclosure

`# Exploit Title: Adlisting Classified Ads 2.14.0 - WebPage Content Information Disclosure  
# Exploit Author: CraCkEr  
# Date: 25/07/2023  
# Vendor: Templatecookie  
# Vendor Homepage: https://templatecookie.com/  
# Software Link: https://templatecookie.com/demo/adlisting-classified-ads-script  
# Tested on: Windows 10 Pro  
# Impact: Sensitive Information Leakage  
# CVE: CVE-2023-4168  
  
  
## Description  
  
Information disclosure issue in the redirect responses, When accessing any page on the website,  
Sensitive data, such as API keys, server keys, and app IDs, is being exposed in the body of these redirects.  
  
  
## Steps to Reproduce:  
  
When you visit any page on the website, like:  
  
https://website/ad-list?category=electronics  
https://website/ad-list-search?page=2  
https://website/ad-list-search?keyword=&lat=&long=&long=&lat=&location=&category=&keyword=  
  
in the body page response there's information leakage for  
  
+---------------------+  
google_map_key  
api_key  
auth_domain  
project_id  
storage_bucket  
messaging_sender_id  
app_id  
measurement_id  
+---------------------+  
  
  
Note: The same information leaked, such as the API keys, server keys, and app ID, was added to the "Firebase Push Notification Configuration" in the Administration Panel.  
  
Settings of "Firebase Push Notification Configuration" in the Administration Panel, on this Path:  
  
https://website/push-notification (Login as Administrator)  
  
  
  
[-] Done  
`