CVE-2025-2881
📋 TL;DR
The Developer Toolbar WordPress plugin exposes sensitive server information through a publicly accessible phpinfo.php script. This allows unauthenticated attackers to view PHP configuration details, environment variables, and potentially sensitive data. All WordPress sites using this plugin up to version 1.0.3 are affected.
💻 Affected Systems
- Developer Toolbar 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 obtain database credentials, API keys, or other sensitive configuration data leading to full system compromise.
Likely Case
Attackers gather reconnaissance information about server configuration, PHP settings, and environment variables to plan further attacks.
If Mitigated
Limited exposure of non-critical PHP configuration details with no sensitive credentials in environment variables.
🎯 Exploit Status
Exploitation requires only accessing the vulnerable URL path. No special tools or skills needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.4 or later
Vendor Advisory: https://wordpress.org/plugins/developer-toolbar/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Developer Toolbar plugin. 4. Click 'Update Now' if update available. 5. Alternatively, delete plugin and install fresh version 1.0.4+.
🔧 Temporary Workarounds
Delete vulnerable file
linuxManually remove the exposed phpinfo.php file from the plugin directory
rm /path/to/wordpress/wp-content/plugins/developer-toolbar/views/phpinfo.php
Restrict file access via .htaccess
linuxBlock access to the vulnerable file using Apache mod_rewrite rules
<Files "phpinfo.php">
Order Allow,Deny
Deny from all
</Files>
🧯 If You Can't Patch
- Deactivate and remove the Developer Toolbar plugin completely
- Implement web application firewall rules to block access to /wp-content/plugins/developer-toolbar/views/phpinfo.php
🔍 How to Verify
Check if Vulnerable:
Access https://yoursite.com/wp-content/plugins/developer-toolbar/views/phpinfo.php - if it shows PHP configuration page, you're vulnerable.
Check Version:
Check WordPress admin plugins page or run: grep "Version:" /path/to/wordpress/wp-content/plugins/developer-toolbar/developer-toolbar.php
Verify Fix Applied:
Attempt to access the phpinfo.php URL - should return 404 or access denied error after fix.
📡 Detection & Monitoring
Log Indicators:
- HTTP 200 requests to /wp-content/plugins/developer-toolbar/views/phpinfo.php
- Unusual traffic patterns to plugin directory
Network Indicators:
- GET requests to phpinfo.php from external IPs
- Traffic spikes to plugin paths
SIEM Query:
source="web_logs" AND uri_path="/wp-content/plugins/developer-toolbar/views/phpinfo.php" AND response_code=200