WordPress Donorbox-Donation-Form 7.1.6 Cross Site Scripting

`# Exploit Title: WordPress Plugin donorbox-donation-form 7.1.6 -  
Stored Cross Site Scripting (Authenticated)  
# Date: 29-03-2022  
# Exploit Author: Hassan Khan Yusufzai - Splint3r7  
# Vendor Homepage:  
https://wordpress.org/plugins/donorbox-donation-form  
<https://wordpress.org/plugins/amministrazione-aperta/>  
# Version: 7.1.6  
# Tested on: Firefox  
# Contact me: h [at] spidersilk.com  
  
  
# Vulnerable Code:  
  
```  
public function donorbox_embed_campaign_id_settings() { ?>  
<input  
name="donorbox_embed_campaign_options[donorbox_embed_campaign_id]"  
type="text" value="<?php echo $this->options['donorbox_embed_campaign_id'];  
?>" class="regular-text" />  
<?php  
}  
```  
  
# POC  
  
1) Install donorbox-donation-form  
<https://wordpress.org/plugins/amministrazione-aperta/> WordPress plugin  
2)Open donorbox plugin settings  
3) Inject payload in URL field  
4) XSS will trigger.  
  
# Timeline  
  
21/03/2022 - Vendor notified  
24/03/2022 - Fix / patch  
24/03/2022 - CVE Requested  
29/03/2022 - Public disclosure  
`