CVE-2023-38382
📋 TL;DR
This SQL injection vulnerability in the WordPress Subscribe to Category plugin allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites using the plugin from any version up to 2.7.4. Successful exploitation could lead to data theft, modification, or complete database compromise.
💻 Affected Systems
- WordPress Subscribe to Category plugin
📦 What is this software?
Subscribe To Category by Subscribe To Category Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including sensitive data exfiltration, privilege escalation, and potential remote code execution via database functions.
Likely Case
Data theft of user information, plugin settings, and potentially WordPress user credentials if stored insecurely.
If Mitigated
Limited impact with proper input validation and database user privilege restrictions in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized and this has public proof-of-concept available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.7.5 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/subscribe-to-category/wordpress-subscribe-to-category-plugin-2-7-4-sql-injection-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find 'Subscribe to Category' plugin
4. Click 'Update Now' if update available
5. Alternatively, download version 2.7.5+ from WordPress repository and replace plugin files
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate subscribe-to-category
Web Application Firewall
allImplement WAF rules to block SQL injection patterns
🧯 If You Can't Patch
- Disable the Subscribe to Category plugin immediately
- Implement strict input validation and parameterized queries at application level
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Subscribe to Category versionCheck Version:
wp plugin get subscribe-to-category --field=versionVerify Fix Applied:
Verify plugin version is 2.7.5 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts from single IP
- Unexpected database errors in WordPress logs
Network Indicators:
- SQL syntax in HTTP parameters
- Unusual POST requests to plugin endpoints
SIEM Query:
source="wordpress.log" AND "subscribe-to-category" AND ("SQL" OR "database error")🔗 References
- https://patchstack.com/database/vulnerability/subscribe-to-category/wordpress-subscribe-to-category-plugin-2-7-4-sql-injection-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/subscribe-to-category/wordpress-subscribe-to-category-plugin-2-7-4-sql-injection-vulnerability?_s_id=cve
