CVE-2025-3792
📋 TL;DR
This critical SQL injection vulnerability in SeaCMS allows remote attackers to execute arbitrary SQL commands through the /admin_link.php endpoint. Attackers can potentially read, modify, or delete database content. All SeaCMS installations up to version 13.3 are affected.
💻 Affected Systems
- SeaCMS
📦 What is this software?
Seacms by Seacms
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, privilege escalation, and potential remote code execution via database functions.
Likely Case
Unauthorized data access, data manipulation, and potential administrative account takeover leading to website defacement or further compromise.
If Mitigated
Limited impact if proper input validation and WAF rules block malicious SQL payloads.
🎯 Exploit Status
Exploit requires admin access to reach the vulnerable endpoint, but SQL injection payloads are publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Monitor SeaCMS official channels for security updates. 2. Upgrade to version 13.4 or higher when available. 3. Apply patch manually if provided by vendor.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize e_id parameter in admin_link.php
Edit /admin_link.php and add parameter validation before SQL execution
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns
Add WAF rule to detect and block SQL injection attempts on /admin_link.php
🧯 If You Can't Patch
- Restrict access to /admin_link.php endpoint using IP whitelisting or authentication requirements
- Implement database user privilege separation to limit potential damage from SQL injection
🔍 How to Verify
Check if Vulnerable:
Check SeaCMS version in admin panel or by examining source files. If version is 13.3 or lower, assume vulnerable.Check Version:
Check admin panel or examine includes/common.php for version informationVerify Fix Applied:
Test the vulnerable endpoint with safe SQL injection payloads to confirm they are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin panel
- Requests to /admin_link.php with SQL-like parameters
Network Indicators:
- HTTP POST requests to /admin_link.php containing SQL keywords
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND uri="/admin_link.php" AND (payload CONTAINS "UNION" OR payload CONTAINS "SELECT" OR payload CONTAINS "INSERT")