CVE-2012-10013 in Backend Localization Plugin
Summary
by MITRE • 04/24/2023
A vulnerability was found in Kau-Boy Backend Localization Plugin up to 1.6.1 on WordPress. It has been rated as problematic. This issue affects some unknown processing of the file backend_localization.php. The manipulation leads to cross site scripting. The attack may be initiated remotely. Upgrading to version 2.0 is able to address this issue. The name of the patch is 43dc96defd7944da12ff116476a6890acd7dd24b. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-227231.
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Analysis
by VulDB Data Team • 05/18/2023
The vulnerability identified as CVE-2012-10013 represents a critical cross site scripting flaw within the Kau-Boy Backend Localization Plugin for WordPress, affecting versions up to 1.6.1. This security weakness resides in the backend_localization.php file processing logic, where improper input validation and output sanitization create exploitable conditions for malicious actors. The vulnerability's classification as problematic indicates significant risk to WordPress installations that utilize this plugin, particularly given the widespread adoption of WordPress as a content management platform. The issue demonstrates how third party plugins can introduce substantial security risks to otherwise secure WordPress environments, highlighting the importance of thorough security auditing for all installed components.
The technical exploitation of this vulnerability occurs through remote attack vectors, allowing malicious actors to inject malicious scripts into the backend interface of WordPress installations. The flaw specifically manifests during the processing of user-controllable input within the backend_localization.php file, where the application fails to properly sanitize or escape output before rendering it in the browser context. This creates an environment where attackers can execute arbitrary JavaScript code within the context of authenticated admin sessions, potentially leading to complete compromise of the WordPress installation. The vulnerability's characteristics align with CWE-79, which specifically addresses cross site scripting flaws in web applications, and represents a classic example of how insufficient input validation can lead to severe security consequences.
The operational impact of this vulnerability extends beyond simple script execution, as successful exploitation could enable attackers to perform administrative actions within the WordPress backend, modify content, steal administrator credentials, or establish persistent access to the compromised system. Attackers could leverage this flaw to manipulate the plugin's localization features, potentially redirecting users to malicious sites or injecting malicious code into the WordPress administration interface. The remote exploitability means that no local access or privileged account is required to initiate the attack, making it particularly dangerous for WordPress sites that do not properly restrict access to their backend systems. This vulnerability also demonstrates the broader risk associated with outdated WordPress plugins, as many sites continue to run vulnerable versions for extended periods due to lack of proper update management.
The recommended remediation strategy involves upgrading to version 2.0 of the Kau-Boy Backend Localization Plugin, which contains the necessary patches to address the cross site scripting vulnerability. The specific patch identified as 43dc96defd7944da12ff116476a6890acd7dd24b implements proper input sanitization and output escaping mechanisms to prevent malicious script injection. Security practitioners should also implement additional defensive measures including regular plugin audits, automated vulnerability scanning, and maintaining updated security monitoring tools. Organizations should consider implementing web application firewalls to detect and block potential exploitation attempts, while also establishing robust patch management procedures to ensure timely updates of all WordPress components. The vulnerability serves as a reminder of the critical importance of keeping all WordPress plugins current and the necessity of conducting regular security assessments of web applications to identify and remediate similar issues before they can be exploited in the wild.