CVE-2025-48134
📋 TL;DR
This vulnerability allows attackers to inject malicious objects through deserialization of untrusted data in the WP Tabs WordPress plugin. Successful exploitation could lead to remote code execution or other malicious activities. All WordPress sites using WP Tabs version 2.2.11 or earlier are affected.
💻 Affected Systems
- WP Tabs WordPress Plugin
📦 What is this software?
Wp Tabs by Shapedplugin
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete site compromise, data theft, or malware installation.
Likely Case
Unauthenticated attackers achieving arbitrary code execution to deface sites, steal data, or create backdoors.
If Mitigated
Limited impact if proper input validation and security controls prevent exploitation attempts.
🎯 Exploit Status
Public exploit details available on Patchstack, making exploitation straightforward for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2.12 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-expand-tabs-free/vulnerability/wordpress-wp-tabs-2-2-11-php-object-injection-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP Tabs plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install latest version from WordPress repository.
🔧 Temporary Workarounds
Disable WP Tabs Plugin
allTemporarily disable the vulnerable plugin until patched version is available.
wp plugin deactivate wp-tabs
Restrict Plugin Access
allUse web application firewall to block requests to vulnerable plugin endpoints.
🧯 If You Can't Patch
- Disable WP Tabs plugin immediately
- Implement web application firewall with rules to block deserialization attacks
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WP Tabs version. If version is 2.2.11 or earlier, you are vulnerable.Check Version:
wp plugin list --name=wp-tabs --field=versionVerify Fix Applied:
Verify WP Tabs plugin version is 2.2.12 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WP Tabs endpoints
- PHP deserialization errors in logs
- Unexpected file creation/modification
Network Indicators:
- HTTP requests containing serialized PHP objects
- Requests to wp-tabs plugin endpoints with unusual parameters
SIEM Query:
source="web_logs" AND (uri="*wp-tabs*" OR user_agent="*wp-tabs*") AND (method="POST" OR params="*O:*" OR params="*C:*")