CVE-2024-43989
📋 TL;DR
This Server-Side Request Forgery (SSRF) vulnerability in the WordPress Justified Image Grid plugin allows attackers to make unauthorized requests from the server to internal or external systems. It affects all WordPress sites using the plugin from any version up to 4.6.1. Attackers can exploit this without authentication to potentially access internal services.
💻 Affected Systems
- WordPress Justified Image Grid 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, perform port scanning of internal networks, or chain with other vulnerabilities to achieve remote code execution.
Likely Case
Attackers scan internal networks, access metadata services (like AWS/Azure instance metadata), or make requests to internal administrative interfaces.
If Mitigated
With proper network segmentation and outbound firewall rules, impact is limited to unsuccessful connection attempts and potential information disclosure from error messages.
🎯 Exploit Status
SSRF vulnerabilities are commonly exploited and this one requires no authentication, making it attractive to attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.6.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Justified Image Grid' and click 'Update Now'. 4. Verify version is 4.6.2 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate justified-image-grid
Web Application Firewall Rule
allBlock SSRF attempts at the WAF level by filtering suspicious URL parameters.
🧯 If You Can't Patch
- Implement strict outbound firewall rules to block internal network access from web servers.
- Use network segmentation to isolate web servers from sensitive internal services.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Justified Image Grid version 4.6.1 or lower.Check Version:
wp plugin get justified-image-grid --field=versionVerify Fix Applied:
Verify plugin version is 4.6.2 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from web server to internal IPs
- Requests to metadata services (169.254.169.254, 100.100.100.200)
- Multiple failed connection attempts to internal services
Network Indicators:
- Web server making unexpected HTTP requests to internal network ranges
- Traffic to loopback addresses (127.0.0.1) from web applications
SIEM Query:
source="web_server_logs" AND (url CONTAINS "internal_ip" OR url CONTAINS "127.0.0.1" OR url CONTAINS "169.254.169.254")