CVE-2024-50477
📋 TL;DR
This CVE describes an authentication bypass vulnerability in the Stacks Mobile App Builder WordPress plugin that allows attackers to gain unauthorized access to user accounts. Attackers can exploit this vulnerability to take over accounts without valid credentials. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Stacks Mobile App Builder WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete site compromise with administrative access, data theft, malware injection, and defacement of the WordPress site and associated mobile apps.
Likely Case
Unauthorized access to user accounts, potential privilege escalation, data exfiltration, and manipulation of mobile app content.
If Mitigated
Limited impact with proper network segmentation, strong authentication controls, and regular security monitoring in place.
🎯 Exploit Status
Authentication bypass vulnerabilities are typically easy to exploit once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.2.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Stacks Mobile App Builder'. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 5.2.4+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate stacks-mobile-app-builder
Restrict Access
allUse web application firewall rules to block access to plugin endpoints
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress admin interface
- Enable multi-factor authentication for all WordPress user accounts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Stacks Mobile App Builder versionCheck Version:
wp plugin get stacks-mobile-app-builder --field=versionVerify Fix Applied:
Verify plugin version is 5.2.4 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual authentication patterns
- Multiple failed login attempts followed by successful login from same IP
- Access to admin functions from unauthenticated users
Network Indicators:
- HTTP requests to /wp-content/plugins/stacks-mobile-app-builder/ with unusual parameters
- Traffic spikes to authentication endpoints
SIEM Query:
source="wordpress.log" AND ("stacks-mobile-app-builder" OR "authentication bypass")