CVE-2025-13342
📋 TL;DR
This vulnerability allows unauthenticated attackers to modify critical WordPress configuration options through the Frontend Admin plugin. Attackers can change settings like user registration, default user roles, and admin email without any authentication. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Frontend Admin by DynamiApps WordPress plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could enable open user registration, set default role to administrator, and redirect admin emails to attacker-controlled addresses, leading to complete site compromise.
Likely Case
Attackers will modify critical WordPress options to enable unauthorized user registration with elevated privileges or redirect administrative communications.
If Mitigated
With proper network segmentation and WAF rules, exploitation attempts would be blocked before reaching the vulnerable endpoint.
🎯 Exploit Status
Exploitation requires only HTTP POST requests to vulnerable endpoints with crafted form data.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.28.21
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3400432/acf-frontend-form-element
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Frontend Admin by DynamiApps'. 4. Click 'Update Now' if available. 5. Alternatively, download version 3.28.21+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the Frontend Admin plugin until patched
wp plugin deactivate acf-frontend-form-element
Web Application Firewall rule
allBlock requests to the vulnerable ActionOptions::run() endpoint
Block POST requests containing 'action=save_options' or similar patterns
🧯 If You Can't Patch
- Implement strict network access controls to limit access to WordPress admin and plugin endpoints
- Enable comprehensive logging and monitoring for unauthorized configuration changes
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Frontend Admin version. If version is 3.28.20 or lower, you are vulnerable.Check Version:
wp plugin get acf-frontend-form-element --field=versionVerify Fix Applied:
Verify plugin version is 3.28.21 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with action=save_options parameters
- Sudden changes to WordPress options like users_can_register or default_role
Network Indicators:
- HTTP POST requests to WordPress endpoints with crafted form data targeting option modification
SIEM Query:
source="wordpress.log" AND ("action=save_options" OR "users_can_register" OR "default_role") AND status=200