CVE-2025-53284
📋 TL;DR
This CVE describes a missing authorization vulnerability in the pankaj.sakaria CMS Blocks WordPress plugin that allows attackers to bypass intended access controls. It affects all versions up to and including 1.1, potentially enabling unauthorized content manipulation or access to restricted functionality.
💻 Affected Systems
- pankaj.sakaria CMS Blocks 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 modify or delete CMS blocks, inject malicious content, or gain administrative privileges depending on plugin functionality.
Likely Case
Unauthorized users can modify CMS block content, potentially defacing websites or injecting malicious scripts.
If Mitigated
With proper access controls and authentication requirements, impact is limited to authorized users only.
🎯 Exploit Status
Missing authorization vulnerabilities typically require minimal technical skill to exploit once discovered.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.1 (check plugin repository for latest)
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/cms-blocks/vulnerability/wordpress-cms-blocks-plugin-1-1-broken-access-control-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find CMS Blocks plugin. 4. Click 'Update Now' if update available. 5. If no update, deactivate and remove plugin.
🔧 Temporary Workarounds
Disable CMS Blocks Plugin
allTemporarily deactivate the vulnerable plugin until patched version is available.
wp plugin deactivate cms-blocks
Restrict Access via Web Application Firewall
allBlock unauthorized access to CMS Blocks plugin endpoints.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected WordPress instances
- Enable detailed logging and monitoring for unauthorized access attempts to CMS Blocks functionality
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for CMS Blocks version 1.1 or earlier.Check Version:
wp plugin get cms-blocks --field=versionVerify Fix Applied:
Verify plugin version is updated beyond 1.1 or plugin is completely removed.📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST/PUT requests to CMS Blocks endpoints
- Unexpected modifications to CMS block content
Network Indicators:
- Unusual traffic patterns to /wp-content/plugins/cms-blocks/ endpoints
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND plugin="cms-blocks") AND user_role!="administrator"