CVE-2017-1002027
📋 TL;DR
This is an SQL injection vulnerability in the RK Responsive Contact Form WordPress plugin version 1.0. Attackers can exploit unsanitized user input to execute arbitrary SQL commands on the database. All WordPress sites using this vulnerable plugin version are affected.
💻 Affected Systems
- RK Responsive Contact Form WordPress Plugin
📦 What is this software?
Rk Responsive Contact Form by Rayanehdownload
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise allowing data theft, modification, or deletion, potentially leading to full site takeover through privilege escalation.
Likely Case
Attackers extract sensitive data from the WordPress database including user credentials, personal information, and site content.
If Mitigated
Limited impact with proper input validation and database permission restrictions in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited with automated tools. The vulnerability is in a publicly accessible file.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: N/A
Vendor Advisory: https://wordpress.org/plugins/rk-responsive-contact-form/
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'RK Responsive Contact Form'
4. Click 'Deactivate' then 'Delete'
5. Remove the plugin completely as no patched version exists
🔧 Temporary Workarounds
Manual Input Sanitization
allAdd input validation to the vulnerable file before the SQL query executes
Edit ./rk-responsive-contact-form/include/rk_user_list.php and sanitize $delid variable using WordPress sanitization functions like esc_sql() or prepared statements
🧯 If You Can't Patch
- Remove or disable the RK Responsive Contact Form plugin immediately
- Implement web application firewall (WAF) rules to block SQL injection attempts targeting this plugin
🔍 How to Verify
Check if Vulnerable:
Check WordPress plugins list for 'RK Responsive Contact Form' version 1.0Check Version:
wp plugin list --name='rk-responsive-contact-form' --field=versionVerify Fix Applied:
Confirm plugin is completely removed from /wp-content/plugins/ directory📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple requests to rk_user_list.php with SQL injection patterns
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.) targeting the vulnerable endpoint
SIEM Query:
source="web_logs" AND uri="*/rk_user_list.php*" AND (query="*SELECT*" OR query="*UNION*" OR query="*OR 1=1*")