CVE-2024-43979
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Blockbooster WordPress theme that allows attackers to access functionality not properly constrained by access controls. It affects all WordPress sites using Blockbooster theme versions up to 1.0.10. Attackers can exploit this to perform actions they shouldn't have permission for.
💻 Affected Systems
- CozyThemes Blockbooster WordPress Theme
📦 What is this software?
Blockbooster by Cozythemes
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover through privilege escalation, allowing attackers to modify content, install malicious plugins, or gain administrative access to the WordPress installation.
Likely Case
Unauthorized content modification, theme/plugin manipulation, or access to restricted administrative functions without proper authentication.
If Mitigated
Minimal impact with proper network segmentation, strong authentication mechanisms, and regular security monitoring in place.
🎯 Exploit Status
Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.0.10
Vendor Advisory: https://patchstack.com/database/vulnerability/blockbooster/wordpress-blockbooster-theme-1-0-10-broken-access-control-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check if Blockbooster theme is active. 4. Update to latest version or replace with alternative theme. 5. Verify theme functionality after update.
🔧 Temporary Workarounds
Disable Blockbooster Theme
allSwitch to a different WordPress theme to remove the vulnerable component
wp theme activate twentytwentyfour
wp theme delete blockbooster
Restrict Access via Web Application Firewall
allImplement WAF rules to block unauthorized access attempts to theme functions
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress admin interface
- Enable detailed logging and monitoring for unauthorized access attempts to theme-related functions
🔍 How to Verify
Check if Vulnerable:
Check WordPress theme version in Appearance > Themes or run: wp theme list --field=name,version | grep blockboosterCheck Version:
wp theme list --field=name,version | grep -i blockboosterVerify Fix Applied:
Verify theme version is greater than 1.0.10 and test restricted functions with non-admin accounts📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to theme functions
- Multiple failed authentication attempts followed by successful theme modifications
- Unusual theme file modifications by non-admin users
Network Indicators:
- HTTP requests to theme-specific endpoints without proper authentication headers
- Unusual traffic patterns to /wp-content/themes/blockbooster/
SIEM Query:
source="wordpress.log" AND ("blockbooster" OR "theme modification") AND (user_role!="administrator" OR auth_failure)