CVE-2024-8392: WordPress Sogrid Plugin RCE Vulnerability

CVE-2024-8392 Overview

CVE-2024-8392 is a Local File Inclusion (LFI) vulnerability in the WordPress Post Grid Layouts with Pagination – Sogrid plugin. The flaw affects all versions up to and including 1.5.6 and stems from unsafe handling of the tab parameter in the plugin's admin panel. Authenticated attackers with Administrator-level privileges can include and execute arbitrary files on the server, resulting in PHP code execution. The vulnerability can also be triggered through Cross-Site Request Forgery (CSRF), expanding the attack surface to any administrator lured into visiting a malicious page. The issue is tracked under CWE-98 (Improper Control of Filename for Include/Require Statement).

Critical Impact
Successful exploitation allows arbitrary PHP execution, enabling attackers to bypass access controls, exfiltrate sensitive data, and achieve full site compromise when combined with file upload primitives.

Affected Products

WordPress Post Grid Layouts with Pagination – Sogrid plugin, all versions up to and including 1.5.6
WordPress sites running the vulnerable plugin with administrator accounts
Any WordPress environment where the plugin's admin-panel/views/panel.php is reachable

Discovery Timeline

2024-10-26 - CVE-2024-8392 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-8392

Vulnerability Analysis

The vulnerability resides in the Sogrid plugin's admin panel handler at src/admin-panel/views/panel.php. The script consumes the tab request parameter and passes it into a PHP include or require operation without sanitization or allow-list validation. As a result, attacker-controlled input traverses the filesystem and loads arbitrary local files as PHP code.

Because the include target is not restricted to a known set of view files, any readable file on the server can be executed as PHP. When paired with a media library upload of a crafted image containing embedded PHP, the attacker converts an authenticated administrative action into arbitrary code execution. The exploitability via CSRF further reduces the required attacker capability, since the plugin's admin request does not enforce sufficient anti-CSRF protections.

Root Cause

The root cause is unvalidated user input flowing into a PHP file inclusion statement. The tab parameter is treated as a trusted view identifier but is used directly to construct an include path. This pattern maps to CWE-98, where a PHP program includes a file whose name is derived from external input.

Attack Vector

The attack is network-based and requires an authenticated administrator session or a CSRF trigger against a logged-in administrator. An attacker submits a request to the admin panel endpoint with a manipulated tab value that references a path outside the intended views directory, such as an uploaded image file or a log file containing attacker-supplied content. The included file is then executed by the PHP interpreter.

The vulnerability is described in prose only; refer to the Wordfence Vulnerability Report and the WordPress Plugin Source Code for the vulnerable file path.

Detection Methods for CVE-2024-8392

Indicators of Compromise

Requests to Sogrid admin endpoints containing tab= values with directory traversal sequences such as ../ or absolute paths
Unexpected PHP execution originating from files in wp-content/uploads/ or other writable directories
New or modified PHP files in the WordPress installation shortly after administrator authentication events
Outbound network connections initiated by the PHP-FPM or Apache worker process to unfamiliar hosts

Detection Strategies

Inspect web server access logs for administrator-authenticated requests to admin-panel/views/panel.php with suspicious tab parameter values
Alert on WordPress image uploads whose contents contain PHP tags (<?php) using file scanning tools
Correlate CSRF-style referrers targeting wp-admin endpoints with subsequent code execution artifacts

Monitoring Recommendations

Enable WordPress audit logging for administrator activity and plugin option changes
Monitor filesystem integrity in wp-content/plugins/sogrid/ and wp-content/uploads/
Forward web server and PHP error logs to a central SIEM for anomaly analysis on include and require operations

How to Mitigate CVE-2024-8392

Immediate Actions Required

Update the Sogrid plugin to a version above 1.5.6 that includes the patch referenced in the WordPress Changeset Update
Audit administrator accounts, rotate credentials, and enforce multi-factor authentication on all privileged WordPress users
Review the media library and plugin directories for unexpected PHP files created since the plugin was installed

Patch Information

The vendor addressed the issue in the changeset published at plugins.trac.wordpress.org changeset 3177776. Administrators should upgrade through the WordPress plugin manager to the fixed release and verify the version string after update.

Workarounds

Deactivate and remove the Sogrid plugin until patching is possible
Restrict administrative access to WordPress using IP allow-listing at the web server or WAF layer to reduce CSRF exposure
Configure PHP open_basedir and disable execution of PHP within the uploads directory to limit inclusion of attacker-controlled files

bash

# Example: block PHP execution in the WordPress uploads directory (Apache)
<Directory "/var/www/html/wp-content/uploads">
    <FilesMatch "\.(php|phtml|phar)$">
        Require all denied
    </FilesMatch>
</Directory>