CVE-2024-37942
📋 TL;DR
This CVE describes an unauthenticated Server-Side Request Forgery (SSRF) vulnerability in the BerqWP WordPress plugin. Attackers can exploit this to make the vulnerable server send HTTP requests to internal or external systems, potentially accessing sensitive data or services. All WordPress sites running BerqWP version 1.7.5 or earlier are affected.
💻 Affected Systems
- BerqWP WordPress plugin
📦 What is this software?
Berqwp by Berqier
⚠️ 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 will scan for vulnerable instances and attempt to access cloud metadata services, internal APIs, or other internal resources to steal credentials and sensitive data.
If Mitigated
With proper network segmentation and egress filtering, impact is limited to denial of service or limited information disclosure from the vulnerable server itself.
🎯 Exploit Status
Public exploit details available on Patchstack. SSRF vulnerabilities are commonly weaponized in automated attacks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.7.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find BerqWP plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin, then install fresh version 1.7.6+ from WordPress repository.
🔧 Temporary Workarounds
Disable BerqWP Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate berqwp
Restrict Outbound HTTP Requests
linuxConfigure firewall to restrict outbound HTTP requests from web server
iptables -A OUTPUT -p tcp --dport 80 -j DROP
iptables -A OUTPUT -p tcp --dport 443 -j DROP
🧯 If You Can't Patch
- Deactivate and remove the BerqWP plugin completely
- Implement network segmentation to isolate web server from internal resources
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for BerqWP version. If version is 1.7.5 or earlier, you are vulnerable.
Check Version:
wp plugin list --name=berqwp --field=version
Verify Fix Applied:
After update, verify BerqWP version is 1.7.6 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from web server to internal IPs
- Requests to cloud metadata endpoints (169.254.169.254)
- Multiple failed HTTP requests to various internal IPs
Network Indicators:
- Web server making HTTP requests to unexpected internal services
- Port scanning patterns originating from web server
SIEM Query:
source="web_server_logs" AND (uri CONTAINS "/wp-content/plugins/berqwp/" OR user_agent CONTAINS "berqwp") AND (status_code=200 OR status_code=302) AND (dst_ip=PRIVATE_IP_RANGE OR dst_ip="169.254.169.254")
🔗 References
- https://patchstack.com/database/vulnerability/searchpro/wordpress-berqwp-plugin-1-7-5-unauthenticated-non-blind-server-side-request-forgery-ssrf-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/searchpro/wordpress-berqwp-plugin-1-7-5-unauthenticated-non-blind-server-side-request-forgery-ssrf-vulnerability?_s_id=cve