CVE-2020-24147
📋 TL;DR
This CVE describes a server-side request forgery (SSRF) vulnerability in the WP Smart Import WordPress plugin version 1.0.0. Attackers can exploit the file field to make the server send unauthorized requests to internal systems, potentially accessing sensitive data or services. All WordPress sites using the vulnerable plugin version are affected.
💻 Affected Systems
- WP Smart Import WordPress Plugin
📦 What is this software?
Wp Smart Import by Xylusthemes
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise leading to data exfiltration, internal network reconnaissance, or lateral movement to other systems.
Likely Case
Unauthorized access to internal services, metadata harvesting, or limited data exposure from internal endpoints.
If Mitigated
Limited impact with proper network segmentation and egress filtering, potentially only error messages or timeout responses.
🎯 Exploit Status
SSRF vulnerabilities are commonly exploited and weaponized due to their potential for internal network access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1
Vendor Advisory: https://wordpress.org/plugins/wp-smart-import/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP Smart Import. 4. Click 'Update Now' if available, or manually update to version 1.0.1. 5. Verify update completes successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate wp-smart-import
Restrict File Uploads
allImplement strict file upload validation and sanitization.
🧯 If You Can't Patch
- Implement network egress filtering to restrict outbound requests from web servers
- Deploy web application firewall (WAF) rules to detect and block SSRF patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WP Smart Import version 1.0.0.Check Version:
wp plugin list --name=wp-smart-import --field=versionVerify Fix Applied:
Confirm WP Smart Import plugin version is 1.0.1 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from web server to internal IPs
- Multiple failed import attempts with suspicious file URLs
Network Indicators:
- Web server making unexpected requests to internal services (metadata, database, etc.)
SIEM Query:
source="web_server_logs" AND (uri CONTAINS "/wp-content/plugins/wp-smart-import" OR user_agent CONTAINS "wp-smart-import") AND status_code=200