CVE-2025-13561
📋 TL;DR
This vulnerability allows remote attackers to execute SQL injection attacks against SourceCodester Company Website CMS 1.0 through the Username parameter in /admin/index.php. Attackers can potentially access, modify, or delete database content. All installations of this specific CMS version are affected.
💻 Affected Systems
- SourceCodester Company Website CMS
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, authentication bypass, privilege escalation, or complete system takeover.
Likely Case
Unauthorized database access allowing extraction of sensitive information like user credentials, personal data, or administrative access.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, restricting database access to non-sensitive tables.
🎯 Exploit Status
Exploit details are publicly available on GitHub. SQL injection via Username parameter requires minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
No official patch available. Consider migrating to a different CMS or implementing custom fixes with parameterized queries.
🔧 Temporary Workarounds
Input Validation Filter
allAdd server-side validation to sanitize Username input by rejecting SQL special characters.
Modify /admin/index.php to include input sanitization before SQL query execution
Web Application Firewall
allDeploy WAF rules to block SQL injection patterns targeting the /admin/index.php endpoint.
Configure WAF to detect and block SQL injection attempts on Username parameter
🧯 If You Can't Patch
- Isolate the CMS instance behind a reverse proxy with strict input filtering
- Implement network segmentation to restrict database access from the web server
🔍 How to Verify
Check if Vulnerable:
Test the /admin/index.php endpoint with SQL injection payloads in the Username parameter (e.g., ' OR '1'='1).Check Version:
Check CMS version in admin panel or configuration files.Verify Fix Applied:
Verify that SQL injection attempts no longer succeed and return proper error handling.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in web server logs
- Multiple failed login attempts with SQL patterns in Username field
Network Indicators:
- HTTP POST requests to /admin/index.php containing SQL keywords in parameters
SIEM Query:
source="web_logs" AND uri="/admin/index.php" AND (Username CONTAINS "' OR" OR Username CONTAINS "UNION" OR Username CONTAINS "SELECT")