CVE-2026-3153
📋 TL;DR
This SQL injection vulnerability in itsourcecode Document Management System 1.0 allows attackers to execute arbitrary SQL commands via the Username parameter in /register.php. Attackers can exploit this remotely to potentially access, modify, or delete database content. All systems running the vulnerable version are affected.
💻 Affected Systems
- itsourcecode Document Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to RCE escalation.
Likely Case
Unauthorized data access, user account compromise, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error disclosure.
🎯 Exploit Status
Exploit details are publicly disclosed, making this easy to weaponize. The vulnerability is in a registration endpoint that typically doesn't require authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://itsourcecode.com/
Restart Required: No
Instructions:
No official patch available. Check vendor website for updates. Consider implementing input validation and parameterized queries as temporary mitigation.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize Username parameter before processing
Modify /register.php to include: $username = mysqli_real_escape_string($connection, $_POST['Username']);
WAF Rule
allImplement web application firewall rules to block SQL injection patterns
Add WAF rule: Detect and block SQL keywords in Username parameter
🧯 If You Can't Patch
- Disable or restrict access to /register.php endpoint
- Implement network segmentation to isolate the Document Management System from critical databases
🔍 How to Verify
Check if Vulnerable:
Test /register.php endpoint with SQL injection payloads in Username parameter (e.g., admin' OR '1'='1)Check Version:
Check application version in admin panel or readme filesVerify Fix Applied:
Verify that SQL injection payloads no longer execute and return proper error handling📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple registration attempts with special characters in Username field
- Database query errors containing SQL syntax
Network Indicators:
- HTTP POST requests to /register.php with SQL keywords in parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND uri="/register.php" AND (Username CONTAINS "'" OR Username CONTAINS "OR" OR Username CONTAINS "--")