CVE-2023-50848
📋 TL;DR
This SQL injection vulnerability in the WordPress 404 Solution plugin allows attackers to execute arbitrary SQL commands on affected websites. It affects all versions up to 2.34.0, potentially compromising WordPress sites using this plugin.
💻 Affected Systems
- WordPress 404 Solution plugin
📦 What is this software?
404 Solution by Ajexperience
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, modification, or deletion; potential privilege escalation to full site control.
Likely Case
Unauthorized data access, user information theft, and potential site defacement.
If Mitigated
Limited impact with proper input validation and database permissions, but still a serious security flaw.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited and weaponized quickly once details are public.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.35.0 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/404-solution/wordpress-404-solution-plugin-2-34-0-sql-injection-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find '404 Solution' and update to version 2.35.0 or later. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable plugin temporarily
allDeactivate the vulnerable plugin until patched
wp plugin deactivate 404-solution
Web Application Firewall rule
allAdd SQL injection detection rule to WAF
🧯 If You Can't Patch
- Disable the 404 Solution plugin immediately
- Implement strict input validation and parameterized queries in custom code
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 404 Solution version ≤2.34.0Check Version:
wp plugin get 404-solution --field=versionVerify Fix Applied:
Confirm plugin version is 2.35.0 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
Network Indicators:
- SQL syntax in HTTP parameters
- Unusual POST requests to plugin endpoints
SIEM Query:
source="web_server" AND ("404-solution" OR "sql" OR "union" OR "select" FROM) AND status=200