CVE-2007-2484 in wp-Table
Summary
by MITRE
PHP remote file inclusion vulnerability in js/wptable-button.php in the wp-Table 1.43 and earlier plugin for WordPress, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via a URL in the wpPATH parameter.
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Analysis
by VulDB Data Team • 09/09/2024
The vulnerability described in CVE-2007-2484 represents a critical remote file inclusion flaw within the wp-Table plugin for WordPress systems. This issue specifically affects versions 1.43 and earlier, creating a pathway for malicious actors to execute arbitrary code on vulnerable systems. The vulnerability stems from improper input validation and sanitization within the js/wptable-button.php file, which processes user-supplied parameters without adequate security measures.
The technical exploitation of this vulnerability relies on the presence of the register_globals PHP configuration setting being enabled on the target system. When register_globals is active, PHP automatically creates global variables from request data, including GET, POST, and cookie parameters. This configuration creates a dangerous environment where attacker-controlled data can be directly injected into the global namespace, allowing the wpPATH parameter to be interpreted as a file path rather than a simple string value. The flaw occurs because the application directly includes user-provided URLs without proper validation, enabling attackers to specify any remote URL that could contain malicious PHP code.
This vulnerability operates under the broader category of CWE-98, which describes "Improper Control of Generation of Code ('Code Injection')" and aligns with ATT&CK technique T1190, "Exploit Public-Facing Application." The impact extends beyond simple code execution to potentially full system compromise, as attackers can leverage this vulnerability to upload malicious files, establish backdoors, or perform further reconnaissance activities. The vulnerability's severity is amplified by its remote nature, allowing attackers to exploit it from anywhere on the internet without requiring local system access or credentials.
The operational impact of this vulnerability is significant for WordPress installations running vulnerable plugin versions, particularly those with register_globals enabled. Attackers can use this flaw to gain unauthorized access to affected systems, potentially leading to data breaches, service disruption, or complete system takeover. The vulnerability affects not only the immediate execution of malicious code but also creates opportunities for attackers to pivot to other systems within the network. Organizations using WordPress with this plugin version are particularly at risk, as the vulnerability can be exploited through simple HTTP requests that include the malicious wpPATH parameter.
Mitigation strategies for this vulnerability include immediate patching of the wp-Table plugin to version 1.44 or later, which contains the necessary security fixes. System administrators should also disable the register_globals PHP configuration setting on all WordPress installations, as this setting fundamentally undermines security measures. Additional protective measures include implementing proper input validation and sanitization, using Web Application Firewalls to detect and block malicious requests, and monitoring system logs for suspicious activity. Organizations should also consider implementing network segmentation and access controls to limit potential damage from successful exploitation attempts. The vulnerability serves as a critical reminder of the importance of keeping all software components updated and the dangers of legacy PHP configurations that weaken overall security posture.