CVE-2025-66058
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the WordPress Post Grid and Gutenberg Blocks plugin that allows attackers to bypass access controls and exploit incorrectly configured security levels. It affects all WordPress sites using vulnerable versions of this plugin, potentially allowing unauthorized access to restricted content or functionality.
💻 Affected Systems
- PickPlugins Post Grid and Gutenberg Blocks
⚠️ 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 access sensitive administrative functions, modify content, or escalate privileges to take full control of the WordPress site.
Likely Case
Unauthorized users access restricted content or functionality they shouldn't have permission to view or modify.
If Mitigated
With proper access controls and authentication checks, the vulnerability would be prevented from being exploited.
🎯 Exploit Status
Exploitation requires understanding of WordPress access control mechanisms but is straightforward once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.18 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Post Grid and Gutenberg Blocks'. 4. Click 'Update Now' if available, or download latest version from WordPress repository. 5. Activate updated plugin.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the Post Grid and Gutenberg Blocks plugin until patched
Implement additional access controls
allAdd custom authorization checks in WordPress theme or via security plugin
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block unauthorized access attempts
- Restrict plugin functionality to authenticated users only via .htaccess or security plugins
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Post Grid and Gutenberg Blocks versionCheck Version:
wp plugin list --name='post-grid' --field=versionVerify Fix Applied:
Verify plugin version is 2.3.18 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to restricted endpoints
- Failed authorization logs for Post Grid functionality
Network Indicators:
- HTTP requests to Post Grid endpoints without proper authentication headers
SIEM Query:
source="wordpress.log" AND ("post-grid" OR "gutenberg-blocks") AND ("unauthorized" OR "access denied")