CVE-2025-25686
📋 TL;DR
This vulnerability allows attackers to execute arbitrary SQL commands through SEMCMS_Fuction.php in SEMCMS versions up to 5.0. Attackers can potentially access, modify, or delete database content. All users running affected SEMCMS versions are at risk.
💻 Affected Systems
- SEMCMS
📦 What is this software?
Semcms by Sem Cms
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or remote code execution via database functions.
Likely Case
Unauthorized data access, privilege escalation, or database manipulation leading to site defacement or data leakage.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database permission restrictions in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized and public proof-of-concept exists in the GitHub reference.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
1. Check for official patch from SEMCMS vendor. 2. If patch available, download and apply following vendor instructions. 3. Test functionality after patching.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to SEMCMS_Fuction.php to sanitize user inputs before SQL processing.
# Add parameterized queries or input sanitization in SEMCMS_Fuction.php
Web Application Firewall
allDeploy WAF with SQL injection rules to block malicious requests.
# Configure WAF rules to detect and block SQL injection patterns
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries in all database interactions.
- Restrict database user permissions to minimum required and implement network segmentation.
🔍 How to Verify
Check if Vulnerable:
Check SEMCMS version in admin panel or configuration files. If version <= 5.0, system is vulnerable.Check Version:
Check SEMCMS version in admin interface or configuration files.Verify Fix Applied:
Test SQL injection attempts against SEMCMS_Fuction.php endpoints to confirm they are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts or unusual parameter values in access logs
Network Indicators:
- HTTP requests with SQL keywords (SELECT, UNION, etc.) in parameters
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND ("SEMCMS_Fuction.php" AND ("UNION" OR "SELECT" OR "INSERT" OR "DELETE"))