WordPress Smooth Slider 2.8.6 SQL Injection

Type packetstorm
Reporter DefenseCode
Modified 2018-01-11T00:00:00


                                            `DefenseCode ThunderScan SAST Advisory: WordPress Smooth Slider Plugin  
SQL injection Security Vulnerability  
Advisory ID: DC-2018-01-004  
Advisory Title: WordPress Smooth Slider Plugin SQL injection  
Security Vulnerability  
Advisory URL: http://www.defensecode.com/advisories.php  
Software: WordPress Smooth Slider plugin  
Language: PHP  
Version: 2.8.6 and below  
Vendor Status: Vendor contacted, update released  
Release Date: 2018/01/10  
Risk: Medium  
1. General Overview  
During the security audit of Smooth Slider plugin for WordPress CMS,  
security vulnerability was discovered using DefenseCode ThunderScan  
application source code security analysis platform.  
More information about ThunderScan is available at URL:  
2. Software Overview  
According to the plugin developers, Smooth Slider is a free WordPress  
slider plugin to create image slider, post slider, content slider,  
video slideshow with responsive design.  
According to wordpress.org, it has more than 20 000 active installs.  
3. Vulnerability Description  
During the security analysis, ThunderScan discovered SQL injection  
vulnerability in Smooth Slider WordPress plugin.  
The easiest way to reproduce the vulnerability is to visit the  
provided URL while being logged in as administrator or another user  
that is authorized to access the plugin settings page. Users that do  
not have full administrative privileges could abuse the database  
access the vulnerability provides to either escalate their privileges  
or obtain and modify database contents they were not supposed to be  
able to.  
Due to the missing nonce token, the vulnerable code is also directly  
exposed to attack vectors such as Cross Site request forgery (CSRF).  
3.1. SQL injection  
Function: $wpdb->get_var()  
Variable: $_GET['trid']  
Vulnerable URL:  
File: smooth-slider\smooth-slider.php  
470 $id = $wpdb->get_var( "SELECT element_id FROM  
{$wpdb->prefix}icl_translations WHERE trid=".$_GET['trid']." AND  
language_code='".$_GET['source_lang']."'" );  
4. Solution  
After the vulnerability was reported the vendor resolved the security  
issues. All users are strongly advised to update WordPress Smooth  
Slider plugin to the latest available version.  
5. Credits  
Discovered by Neven Biruski using DefenseCode ThunderScan source code  
security analyzer.  
6. Disclosure Timeline  
2016/11/11 Vulnerability discovered  
2017/03/31 Vendor contacted  
2017/04/28 Vendor contacted  
2017/05/08 Vendor responded  
2018/01/10 Advisory released to the public  
7. About DefenseCode  
DefenseCode L.L.C. delivers products and services designed to analyze  
and test web, desktop and mobile applications for security  
DefenseCode ThunderScan is a SAST (Static Application Security  
Testing, WhiteBox Testing) solution for performing extensive security  
audits of application source code. ThunderScan SAST performs fast and  
accurate analyses of large and complex source code projects delivering  
precise results and low false positive rate.  
DefenseCode WebScanner is a DAST (Dynamic Application Security  
Testing, BlackBox Testing) solution for comprehensive security audits  
of active web applications. WebScanner will test a website's security  
by carrying out a large number of attacks using the most advanced  
techniques, just as a real attacker would.  
Subscribe for free software trial on our website  
http://www.defensecode.com/ .  
E-mail: defensecode[at]defensecode.com  
Website: http://www.defensecode.com  
Twitter: https://twitter.com/DefenseCode/