CVE-2025-5818
📋 TL;DR
This Server-Side Request Forgery vulnerability in the Featured Image Plus WordPress plugin allows authenticated administrators to make arbitrary web requests from the server. Attackers can query and potentially modify internal services accessible from the web server. Only WordPress sites using vulnerable versions of this specific plugin are affected.
💻 Affected Systems
- Featured Image Plus – Quick & Bulk Edit with Unsplash 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 access internal services, exfiltrate sensitive data, or perform actions on internal systems that shouldn't be exposed to the web.
Likely Case
Information disclosure from internal services, reconnaissance of internal network, or limited data modification depending on internal service permissions.
If Mitigated
Limited impact due to requiring administrator credentials and internal network segmentation preventing access to critical systems.
🎯 Exploit Status
Exploitation requires administrator credentials but is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.6.5 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/featured-image-plus/trunk/inc/admin/block-editor/block-editor-actions.php#L166
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find 'Featured Image Plus' plugin
4. Click 'Update Now' if available
5. Alternatively, download version 1.6.5+ from WordPress.org and manually update
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate featured-image-plus
Restrict Administrator Access
allReview and limit administrator accounts to trusted users only
🧯 If You Can't Patch
- Remove administrator access from untrusted users
- Implement network segmentation to isolate WordPress server from internal services
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Featured Image Plus' versionCheck Version:
wp plugin get featured-image-plus --field=versionVerify Fix Applied:
Verify plugin version is 1.6.5 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from WordPress server
- Requests to internal IP addresses from web application
- Multiple failed authentication attempts on admin accounts
Network Indicators:
- HTTP requests from WordPress server to unexpected internal services
- Traffic patterns suggesting internal network scanning
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "fip_get_image_options") AND dest_ip IN (internal_subnets)