CVE-2024-52424
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the WordPress wp-login customizer plugin allows attackers to inject malicious scripts that execute when administrators view the login page. This affects all WordPress sites using the wp-login customizer plugin version 1.0 or earlier. The vulnerability combines CSRF with stored XSS, enabling persistent attacks against administrative users.
💻 Affected Systems
- WordPress wp-login customizer plugin
📦 What is this software?
Wp Login Customizer by Sureshkumar
⚠️ Risk & Real-World Impact
Worst Case
Attackers could hijack administrator sessions, install backdoors, deface websites, steal sensitive data, or gain complete control of the WordPress installation.
Likely Case
Attackers inject malicious JavaScript that executes when administrators view the login page, potentially stealing session cookies or performing unauthorized actions.
If Mitigated
With proper CSRF protections and content security policies, the attack would fail or have limited impact.
🎯 Exploit Status
Exploitation requires tricking an administrator into clicking a malicious link while authenticated. The stored XSS component makes attacks persistent.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'wp-login customizer'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the wp-login customizer plugin until patched
wp plugin deactivate wp-login-customizer
Implement CSRF tokens
allAdd CSRF protection to WordPress admin forms
🧯 If You Can't Patch
- Disable the wp-login customizer plugin immediately
- Implement web application firewall rules to block XSS payloads and suspicious requests
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for wp-login customizer version 1.0 or earlierCheck Version:
wp plugin get wp-login-customizer --field=versionVerify Fix Applied:
Verify plugin version is 1.0.1 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php
- JavaScript injection attempts in login page modifications
Network Indicators:
- CSRF attacks originating from external domains
- Malicious script loading in login page responses
SIEM Query:
source="wordpress.log" AND ("wp-login-customizer" OR "admin-ajax.php") AND (POST OR "script" OR "onload")