CVE-2025-12376
📋 TL;DR
The Icon List Block WordPress plugin contains a Server-Side Request Forgery vulnerability that allows authenticated attackers with Subscriber-level access or higher to make arbitrary web requests from the vulnerable server. This can be used to query internal services, potentially exposing sensitive information or enabling further attacks. All WordPress sites using this plugin up to version 1.2.1 are affected.
💻 Affected Systems
- Icon List Block – Add Icon-Based Lists with Custom Styles 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, steal sensitive data, pivot to 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, or limited data exfiltration from accessible internal endpoints.
If Mitigated
Limited impact if internal services are properly segmented, use authentication, or the vulnerable server has restricted outbound network access.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once credentials are obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.2 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/icon-list-block
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Icon List Block' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the vulnerable plugin until patched version is available
Restrict User Registration
allDisable new user registration to prevent attackers from obtaining Subscriber accounts
🧯 If You Can't Patch
- Implement network segmentation to restrict outbound connections from web servers
- Add web application firewall rules to block SSRF patterns and unusual outbound requests
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Icon List Block' version. If version is 1.2.1 or lower, you are vulnerable.Check Version:
wp plugin list --name='icon-list-block' --field=versionVerify Fix Applied:
After updating, verify plugin version shows 1.2.2 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from web server process
- Multiple requests to internal IP addresses from single user session
- Requests to metadata services (169.254.169.254, etc.)
Network Indicators:
- Web server making unexpected outbound connections to internal services
- HTTP requests with unusual User-Agent strings or patterns
SIEM Query:
source="web_server_logs" AND (dest_ip IN private_ip_ranges OR dest_ip=169.254.169.254) AND user_agent CONTAINS "WordPress"