CVE-2025-47437
📋 TL;DR
This Server-Side Request Forgery (SSRF) vulnerability in LiteSpeed Cache allows attackers to make unauthorized requests from the vulnerable server to internal or external systems. It affects WordPress sites using LiteSpeed Cache plugin versions up to 7.0.1, potentially exposing internal network resources or enabling data exfiltration.
💻 Affected Systems
- LiteSpeed Cache 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 pivot to attack other internal systems from the compromised server.
Likely Case
Information disclosure from internal services, scanning of internal networks, or limited data exfiltration from accessible endpoints.
If Mitigated
Limited impact if network segmentation restricts server access to sensitive internal resources and outbound traffic is controlled.
🎯 Exploit Status
Exploitation requires understanding of SSRF techniques and potentially authentication depending on specific vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 7.0.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find LiteSpeed Cache and click 'Update Now'. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable vulnerable functionality
allTemporarily disable LiteSpeed Cache plugin until patched
wp plugin deactivate litespeed-cache
Network restrictions
allImplement egress filtering to restrict outbound HTTP/HTTPS requests from web server
🧯 If You Can't Patch
- Implement strict network segmentation to isolate web server from internal resources
- Deploy web application firewall with SSRF protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → LiteSpeed Cache → Version numberCheck Version:
wp plugin get litespeed-cache --field=versionVerify Fix Applied:
Verify LiteSpeed Cache version is 7.0.2 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)
- Multiple failed connection attempts to various internal IPs
Network Indicators:
- Web server making unexpected HTTP requests to internal network ranges
- Traffic to localhost/127.0.0.1 from web application
SIEM Query:
source="web_server_logs" AND (dest_ip=169.254.169.254 OR dest_ip IN (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)) AND http_method IN (GET, POST)