CVE-2008-0683 in St Newsletter Plugin
Summary
by MITRE
SQL injection vulnerability in shiftthis-preview.php in the ShiftThis Newsletter (st_newsletter) plugin for WordPress allows remote attackers to execute arbitrary SQL commands via the newsletter parameter.
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Analysis
by VulDB Data Team • 10/15/2024
The CVE-2008-0683 vulnerability represents a critical sql injection flaw within the ShiftThis Newsletter plugin for WordPress, specifically affecting the shiftthis-preview.php script. This vulnerability resides in the handling of user input through the newsletter parameter, creating a pathway for malicious actors to execute unauthorized database operations. The issue stems from inadequate input validation and sanitization within the plugin's codebase, allowing attackers to manipulate sql queries through crafted malicious input. The vulnerability affects WordPress installations running the st_newsletter plugin, making it particularly dangerous given the widespread adoption of both WordPress and this specific plugin within the content management ecosystem.
The technical exploitation of this vulnerability occurs when an attacker submits a specially crafted newsletter parameter value that bypasses the plugin's input sanitization mechanisms. This allows the attacker to inject malicious sql code that gets executed within the context of the database connection. The flaw enables remote code execution capabilities through sql injection, potentially allowing attackers to extract sensitive data, modify database records, or even escalate privileges within the affected system. The vulnerability is classified under CWE-89 sql injection, which is a well-documented and frequently exploited weakness in web applications. This weakness directly maps to the ATT&CK technique T1071.004 application layer protocol and T1190 exploitation for execution, representing a classic attack vector that has been consistently observed in security assessments and incident response investigations.
The operational impact of CVE-2008-0683 extends beyond simple data theft, as it can lead to complete system compromise and persistent access. Attackers can leverage this vulnerability to gain unauthorized access to the database, potentially extracting user credentials, personal information, or other sensitive data stored within the wordpress installation. The vulnerability also enables attackers to modify or delete content, creating potential for data corruption or complete system takeover. Given that many wordpress installations rely on plugins for extended functionality, this vulnerability can serve as an initial access point for more sophisticated attacks. The long-term implications include potential data breaches, reputational damage, and regulatory compliance violations that organizations may face when such vulnerabilities are exploited in production environments.
Mitigation strategies for CVE-2008-0683 should focus on immediate patching of the vulnerable plugin, as the original vendor has likely released security updates to address the sql injection flaw. Organizations should implement input validation and sanitization measures to prevent malicious data from being processed by the application. The principle of least privilege should be enforced, ensuring that database connections used by the wordpress application have minimal required permissions. Network segmentation and web application firewalls can provide additional layers of protection by monitoring and filtering sql injection attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other plugins or custom code. Organizations should also implement proper logging and monitoring to detect unauthorized database access attempts, as the sql injection attack may generate suspicious database activity that can serve as an early warning system for security teams. The vulnerability underscores the importance of keeping all wordpress plugins updated and following secure coding practices to prevent sql injection attacks.