CVE-2025-58029
📋 TL;DR
This CVE describes a missing authorization vulnerability in the Classic Widgets with Block-based Widgets WordPress plugin that allows attackers to access functionality not properly constrained by access controls. It affects all WordPress sites using this plugin from initial release through version 1.0.1. Attackers could potentially modify widget settings or access administrative functions without proper permissions.
💻 Affected Systems
- Classic Widgets with Block-based Widgets 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
An attacker could modify widget configurations, inject malicious content, or potentially gain administrative access to the WordPress site by exploiting the broken access control mechanisms.
Likely Case
Unauthorized users could modify widget settings, change site appearance, or potentially inject malicious scripts into widget content that would be served to visitors.
If Mitigated
With proper access controls and authentication checks, only authorized administrators could modify widget settings, preventing unauthorized changes.
🎯 Exploit Status
Exploitation requires understanding of WordPress widget functionality and access control bypass techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.0.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Classic Widgets with Block-based Widgets'. 4. Click 'Update Now' if available. 5. If no update is available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Disable vulnerable plugin
allDeactivate the Classic Widgets with Block-based Widgets plugin to prevent exploitation
wp plugin deactivate classic-widgets-with-block-based-widgets
🧯 If You Can't Patch
- Implement strict network access controls to limit access to WordPress admin interface
- Enable WordPress security plugins that monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Classic Widgets with Block-based Widgets' version 1.0.1 or earlierCheck Version:
wp plugin get classic-widgets-with-block-based-widgets --field=versionVerify Fix Applied:
Verify plugin version is higher than 1.0.1 or plugin is completely removed from the system📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to widget management endpoints
- Unexpected widget configuration changes from non-admin users
Network Indicators:
- Unusual POST requests to /wp-admin/widgets.php or similar widget management endpoints
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/widgets.php" OR uri_path="/wp-admin/admin-ajax.php") AND user_agent NOT CONTAINS "admin" AND response_code=200