WordPress Login Rebuilder Cross Site Scripting

`Tittle:  
WordPress Plugin Login Rebuilder < 2.8.1 - Admin+ Stored XSS  
  
  
References:  
CVE-2023-2223  
  
Author:  
Taurus Omar   
  
Description:  
The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).  
  
Affects Plugins:  
Login Rebuilder - Fixed in version 2.8.1  
  
Proof of Concept:  
  
1. Go to Settings » Login rebuilder  
  
2. In Login file keyword, add payload: "><iframe src="<svg onload=alert(4);>">  
  
3. Save the changes to trigger XSS.   
  
  
Classification:  
Type XSS   
OWASP top 10 A7: Cross-Site Scripting (XSS)  
CWE-79  
  
wpScan:  
https://wpscan.com/vulnerability/7b356b82-5d03-4f70-b4ce-f1405304bb52  
`