CVE-2025-11889
📋 TL;DR
The AIO Forms WordPress plugin allows authenticated administrators to upload arbitrary files due to missing file type validation in import functionality. This vulnerability could lead to remote code execution on affected WordPress sites. Only sites using vulnerable versions of the AIO Forms plugin are affected.
💻 Affected Systems
- AIO Forms – Craft Complex Forms Easily 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
Attacker gains full server control through remote code execution, leading to data theft, site defacement, or malware distribution.
Likely Case
Attacker uploads web shells or malicious scripts to compromise the WordPress site and potentially pivot to other systems.
If Mitigated
Attack limited to file uploads that don't execute due to proper server hardening and file permissions.
🎯 Exploit Status
Exploitation requires administrator credentials but is straightforward once access is obtained
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.16 or later
Vendor Advisory: https://wordpress.org/plugins/all-in-one-forms/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'AIO Forms – Craft Complex Forms Easily'. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.3.16+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable plugin
allTemporarily disable the AIO Forms plugin until patched
wp plugin deactivate all-in-one-forms
Restrict file uploads
linuxConfigure web server to block execution of uploaded files in plugin directories
Add 'php_flag engine off' to .htaccess in plugin upload directory
🧯 If You Can't Patch
- Remove administrator access from untrusted users
- Implement web application firewall rules to block suspicious file uploads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → AIO Forms version. If version is 1.3.15 or lower, you are vulnerable.Check Version:
wp plugin get all-in-one-forms --field=versionVerify Fix Applied:
Verify plugin version is 1.3.16 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to wp-content/uploads/aio-forms/ directory
- Administrator accounts performing unexpected import operations
Network Indicators:
- POST requests to /wp-admin/admin-ajax.php with 'action' parameter containing 'aio_forms_import'
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND post_data LIKE "%aio_forms_import%")