CVE-2024-1962
📋 TL;DR
This CSRF vulnerability in CM Download Manager WordPress plugin allows attackers to trick authenticated administrators into unknowingly modifying downloads. Attackers can craft malicious requests that execute when an admin visits a compromised page. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- CM Download Manager WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify or replace legitimate downloads with malware, potentially compromising all users who download files from the site.
Likely Case
Attackers modify download content to distribute malware or redirect users to malicious sites, damaging site reputation and user trust.
If Mitigated
With proper CSRF protections, admin actions require valid tokens, preventing unauthorized modifications even if admin visits malicious pages.
🎯 Exploit Status
CSRF attacks are well-understood and easy to implement. Exploitation requires social engineering to get admin to visit malicious page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.9.1
Vendor Advisory: https://wordpress.org/plugins/cm-download-manager/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'CM Download Manager' and click 'Update Now'. 4. Verify version shows 2.9.1 or higher.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate cm-download-manager
CSRF Protection via .htaccess
linuxAdd basic CSRF protection headers
Header set X-Frame-Options "SAMEORIGIN"
Header set Content-Security-Policy "frame-ancestors 'self'"
🧯 If You Can't Patch
- Implement strict SameSite cookie policies for admin sessions
- Use browser extensions that block CSRF attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → CM Download Manager → Version. If version is below 2.9.1, you are vulnerable.
Check Version:
wp plugin get cm-download-manager --field=version
Verify Fix Applied:
After updating, verify version shows 2.9.1 or higher in plugin details.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed download modification attempts from same IP
- Admin actions without proper referrer headers
Network Indicators:
- POST requests to download edit endpoints without CSRF tokens
- Cross-origin requests to admin-ajax.php
SIEM Query:
source="wordpress.log" AND ("cm-download-manager" OR "admin-ajax.php") AND action="edit" AND status=200 AND referrer NOT LIKE "%yourdomain%"