CVE-2024-4088
📋 TL;DR
This vulnerability in the Attire Blocks WordPress plugin allows authenticated users with subscriber-level access or higher to modify plugin settings without proper authorization. It also lacks CSRF protection, enabling attackers to trick administrators into making unwanted changes. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Gutenberg Blocks and Page Layouts – Attire Blocks WordPress plugin
📦 What is this software?
Attire Blocks by Wpattire
⚠️ Risk & Real-World Impact
Worst Case
Attackers could disable critical plugin functionality, modify site behavior, or create persistent backdoors by altering plugin settings.
Likely Case
Malicious users could disrupt site functionality by changing plugin settings, potentially breaking frontend features or layouts.
If Mitigated
With proper user role management and CSRF protections, impact is limited to authorized administrative actions only.
🎯 Exploit Status
Exploitation requires authenticated access but is technically simple. CSRF aspect allows exploitation via admin trickery.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.9.2
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3085600/attire-blocks/trunk/admin/AttireBlocksSettings.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Attire Blocks' and click 'Update Now' if available. 4. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched
wp plugin deactivate attire-blocks
User Role Restriction
linuxTemporarily restrict subscriber-level users from accessing the site
wp user list --role=subscriber --field=ID | xargs wp user set-role {ID} none
🧯 If You Can't Patch
- Implement web application firewall rules to block requests to the vulnerable endpoint
- Enable strict user role management and audit all user accounts with subscriber or higher privileges
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Attire Blocks' version 1.9.2 or earlierCheck Version:
wp plugin get attire-blocks --field=versionVerify Fix Applied:
Verify plugin version is higher than 1.9.2 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-admin/admin-ajax.php with action=disable_fe_assets from non-admin users
- Unauthorized modifications to plugin settings in WordPress logs
Network Indicators:
- HTTP requests to admin-ajax.php with disable_fe_assets parameter from unexpected user roles
SIEM Query:
source="wordpress.log" AND "disable_fe_assets" AND (user_role="subscriber" OR user_role="contributor" OR user_role="author" OR user_role="editor")🔗 References
- https://plugins.trac.wordpress.org/changeset/3085600/attire-blocks/trunk/admin/AttireBlocksSettings.php?old=2996841&old_path=attire-blocks%2Ftrunk%2Fadmin%2FAttireBlocksSettings.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ef47feb7-76fd-470d-ba48-55ba3c323c6d?source=cve
- https://plugins.trac.wordpress.org/changeset/3085600/attire-blocks/trunk/admin/AttireBlocksSettings.php?old=2996841&old_path=attire-blocks%2Ftrunk%2Fadmin%2FAttireBlocksSettings.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ef47feb7-76fd-470d-ba48-55ba3c323c6d?source=cve
