CVE-2022-1239
📋 TL;DR
The HubSpot WordPress plugin before version 8.8.15 contains a Server-Side Request Forgery (SSRF) vulnerability. It allows users with edit_posts capability (contributors and above by default) to make unauthorized requests to internal systems via an unvalidated proxy URL endpoint. This affects WordPress sites using vulnerable versions of the HubSpot plugin.
💻 Affected Systems
- HubSpot WordPress plugin
📦 What is this software?
Hubspot by Hubspot
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access internal services, scan internal networks, interact with cloud metadata services, or pivot to other systems, potentially leading to data exfiltration or further compromise.
Likely Case
Internal network scanning, accessing internal APIs or services, and potentially retrieving sensitive information from internal systems.
If Mitigated
Limited to testing connectivity to internal services if proper network segmentation and access controls are in place.
🎯 Exploit Status
Exploitation requires contributor-level access or higher. Public proof-of-concept exists in vulnerability databases.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.8.15 and later
Vendor Advisory: https://wpscan.com/vulnerability/4ad2bb96-87a4-4590-a058-b03b33d2fcee
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find HubSpot plugin and click 'Update Now'. 4. Verify version is 8.8.15 or higher.
🔧 Temporary Workarounds
Restrict user capabilities
allRemove edit_posts capability from contributors or limit plugin access to administrators only.
Use WordPress role management plugins or custom code to modify capabilities
Disable proxy endpoint
allBlock access to the vulnerable REST endpoint via web application firewall or .htaccess rules.
Add rewrite rule to block /wp-json/hubspot/v1/proxy endpoint
🧯 If You Can't Patch
- Implement network segmentation to restrict outbound connections from web servers
- Deploy web application firewall with SSRF protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for HubSpot version below 8.8.15.Check Version:
wp plugin list --name=hubspot --field=versionVerify Fix Applied:
Confirm HubSpot plugin version is 8.8.15 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from web server to internal IPs
- Requests to /wp-json/hubspot/v1/proxy with unusual URLs
Network Indicators:
- Web server making requests to internal services, cloud metadata endpoints, or unusual ports
SIEM Query:
source="web_server" AND (uri_path="/wp-json/hubspot/v1/proxy" OR user_agent CONTAINS "HubSpot") AND dest_ip IN (RFC1918, cloud_metadata_ips)