CVE-2025-11361
📋 TL;DR
The Gutenberg Essential Blocks WordPress plugin contains a Server-Side Request Forgery vulnerability that allows authenticated attackers with Author-level permissions to make arbitrary web requests from the vulnerable server. This can be used to query internal services, potentially exposing sensitive information or modifying data. WordPress sites using this plugin up to version 5.7.1 are affected.
💻 Affected Systems
- Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns
⚠️ 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 internal services, steal sensitive data, perform port scanning of internal networks, or use the vulnerable server as a proxy for attacks against other systems.
Likely Case
Information disclosure from internal services, reconnaissance of internal network infrastructure, or limited data modification depending on internal service permissions.
If Mitigated
Limited impact if network segmentation restricts internal service access and proper authentication controls are in place.
🎯 Exploit Status
Exploitation requires authenticated access with Author privileges or higher.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 5.7.2 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/essential-blocks/tags/5.7.2
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Gutenberg Essential Blocks' and click 'Update Now'. 4. Verify update to version 5.7.2 or higher.
🔧 Temporary Workarounds
Disable vulnerable function
allRemove or disable the eb_save_ai_generated_image function via code modification
Edit wp-content/plugins/essential-blocks/includes/Admin/Admin.php and comment out or remove the vulnerable function
Restrict user permissions
allLimit Author-level permissions and review user roles
Use WordPress role management plugins to restrict capabilities
Audit all users with Author or higher permissions
🧯 If You Can't Patch
- Disable the Gutenberg Essential Blocks plugin entirely
- Implement network segmentation to restrict outbound requests from web servers
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for Gutenberg Essential Blocks versionCheck Version:
wp plugin list --name='essential-blocks' --field=versionVerify Fix Applied:
Confirm plugin version is 5.7.2 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from web server
- Requests to internal IP addresses or unusual domains
- Multiple requests from single Author-level user accounts
Network Indicators:
- Web server making unexpected outbound connections
- Requests to non-standard ports from web application server
SIEM Query:
source="web_server_logs" AND (uri CONTAINS "eb_save_ai_generated_image" OR user_agent CONTAINS "Author") AND dest_ip NOT IN [allowed_domains]