CVE-2024-8268
📋 TL;DR
The Frontend Dashboard WordPress plugin allows authenticated attackers with subscriber-level access or higher to execute arbitrary PHP functions through insufficient input filtering in the ajax_request() function. This enables privilege escalation by changing user passwords or performing other unauthorized actions. All WordPress sites using this plugin up to version 2.2.4 are affected.
💻 Affected Systems
- Frontend Dashboard WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover through privilege escalation to administrator, followed by arbitrary code execution, data theft, or site defacement.
Likely Case
Attacker gains administrative access by changing administrator passwords, then installs backdoors, steals sensitive data, or modifies site content.
If Mitigated
Attack limited to subscriber-level actions if proper input validation and function whitelisting are implemented.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once credentials are obtained. Public proof-of-concept code exists.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2.5
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3147868/frontend-dashboard/tags/2.2.5/route/class-fed-request.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Frontend Dashboard' and click 'Update Now'. 4. Alternatively, download version 2.2.5+ from WordPress plugin repository and manually replace files.
🔧 Temporary Workarounds
Disable Frontend Dashboard Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate frontend-dashboard
Restrict User Registration
allDisable new user registration to prevent attackers from obtaining subscriber accounts.
Navigate to Settings → General in WordPress admin and uncheck 'Anyone can register'
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block requests containing suspicious function calls in POST parameters
- Monitor user accounts for suspicious activity and implement strong password policies for all users
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for Frontend Dashboard version. If version is 2.2.4 or lower, you are vulnerable.Check Version:
wp plugin get frontend-dashboard --field=versionVerify Fix Applied:
After updating, verify Frontend Dashboard plugin shows version 2.2.5 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with 'action' parameter containing 'fed_ajax_request'
- Multiple failed login attempts followed by successful subscriber login and suspicious function calls
- User role changes from subscriber to administrator
Network Indicators:
- HTTP POST requests containing function names like 'wp_update_user', 'wp_set_password', or other PHP functions in parameters
SIEM Query:
source="wordpress.log" AND ("fed_ajax_request" OR "action=fed_ajax_request") AND (POST OR admin-ajax.php)🔗 References
- https://plugins.trac.wordpress.org/browser/frontend-dashboard/tags/2.2.4/route/class-fed-request.php#L29
- https://plugins.trac.wordpress.org/changeset/3147868/frontend-dashboard/tags/2.2.5/route/class-fed-request.php?old=3048034&old_path=frontend-dashboard%2Ftags%2F2.2.4%2Froute%2Fclass-fed-request.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7d66694a-c99f-44f8-8004-1a47ad9f9250?source=cve
