CVE-2014-4163 in Featured Comments
Summary
by MITRE
Multiple cross-site request forgery (CSRF) vulnerabilities in the Featured Comments plugin 1.2.1 for WordPress allow remote attackers to hijack the authentication of administrators for requests that change the (1) buried or (2) featured status of a comment via a request to wp-admin/admin-ajax.php.
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Analysis
by VulDB Data Team • 06/15/2025
The CVE-2014-4163 vulnerability represents a critical cross-site request forgery flaw in the Featured Comments WordPress plugin version 1.2.1, specifically targeting administrative privileges within the WordPress ecosystem. This vulnerability resides in the plugin's handling of administrative actions through the wp-admin/admin-ajax.php endpoint, which serves as a central AJAX handler for WordPress administrative functions. The flaw allows remote attackers to manipulate comment status by exploiting the lack of proper authentication verification mechanisms for specific administrative operations.
The technical implementation of this CSRF vulnerability stems from the plugin's failure to validate the authenticity of requests modifying comment status parameters. When administrators perform actions to bury or feature comments through the administrative interface, these operations are typically protected by WordPress's built-in nonce verification mechanisms. However, the Featured Comments plugin does not properly implement these security checks for the specific comment status modification functions, creating a gap that attackers can exploit. The vulnerability specifically affects two distinct administrative operations within the plugin's functionality, making it particularly dangerous as it provides attackers with multiple vectors for compromising administrator sessions.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it enables attackers to manipulate comment moderation workflows and potentially gain unauthorized control over content management functions. Attackers can craft malicious web pages or exploit existing vulnerabilities in other parts of the WordPress installation to deliver CSRF payloads that automatically execute administrative actions when administrators visit compromised pages. This creates a significant risk for blog administrators, as the attack can be executed without requiring any special privileges from the victim beyond simply visiting a malicious page. The vulnerability particularly impacts sites where administrators frequently interact with comment moderation features, making it a prime target for exploitation in targeted attacks against WordPress-based content management systems.
Mitigation strategies for this vulnerability should prioritize immediate plugin updates to versions that address the CSRF implementation flaws, as the original plugin version 1.2.1 contains no built-in protections against this specific attack vector. Organizations should implement comprehensive monitoring of wp-admin/admin-ajax.php endpoint access patterns to detect anomalous administrative requests that might indicate CSRF attacks. Network-level protections such as web application firewalls should be configured to validate the presence and validity of WordPress nonces in administrative AJAX requests, while also implementing proper Content Security Policy headers to prevent unauthorized script execution. From a compliance perspective, this vulnerability aligns with CWE-352, which specifically addresses cross-site request forgery vulnerabilities, and represents a critical weakness in the principle of least privilege as outlined in the ATT&CK framework under the privilege escalation category, where attackers can leverage administrative functions to gain unauthorized access to sensitive operations within WordPress administrative interfaces.