CVE-2025-12292
📋 TL;DR
CVE-2025-12292 is an SQL injection vulnerability in SourceCodester Point of Sales 1.0 that allows remote attackers to execute arbitrary SQL commands via the Username parameter in /index.php. This affects all deployments of this specific software version. Attackers can potentially access, modify, or delete database contents including sensitive sales data and credentials.
💻 Affected Systems
- SourceCodester Point of Sales
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, and potential remote code execution if database functions allow it.
Likely Case
Unauthorized access to sensitive sales data, customer information, and potential credential theft from the database.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database permissions restricting damage to non-critical data.
🎯 Exploit Status
The exploit targets the login page which is typically accessible without authentication. Public disclosure increases likelihood of weaponization.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds and input validation.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize the Username parameter before processing
Modify /index.php to include: $username = mysqli_real_escape_string($connection, $_POST['Username']);
Web Application Firewall Rule
allBlock SQL injection patterns in the Username parameter
Add WAF rule to block requests containing SQL keywords in Username parameter: SELECT, UNION, INSERT, UPDATE, DELETE, DROP, --, #, /*, */
🧯 If You Can't Patch
- Implement network segmentation to restrict access to the Point of Sales system
- Deploy a web application firewall (WAF) with SQL injection protection rules
🔍 How to Verify
Check if Vulnerable:
Test the login page with SQL injection payloads in the Username field: ' OR '1'='1Check Version:
Check software version in admin panel or configuration filesVerify Fix Applied:
Attempt SQL injection after implementing fixes and verify error messages or database queries show proper sanitization📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts with SQL keywords in Username field
- Database error messages containing SQL syntax in application logs
Network Indicators:
- HTTP POST requests to /index.php containing SQL injection patterns in parameters
SIEM Query:
source="web_logs" AND uri="/index.php" AND (Username="*SELECT*" OR Username="*UNION*" OR Username="*OR*'1'='1*")