CVE-2026-1589
📋 TL;DR
This vulnerability allows remote attackers to execute SQL injection attacks against itsourcecode School Management System 1.0 via the txtsearch parameter in /ramonsys/inquiry/index.php. This can lead to unauthorized database access, data theft, or system compromise. Organizations using this specific software version are affected.
💻 Affected Systems
- itsourcecode School Management System
📦 What is this software?
School Management System by Angeljudesuarez
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise allowing data exfiltration, privilege escalation, or remote code execution leading to full system takeover.
Likely Case
Unauthorized access to sensitive student/administrator data, grade manipulation, or system configuration changes.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or partial data exposure.
🎯 Exploit Status
Public exploit available via provided references, simple SQL injection requiring minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://itsourcecode.com/
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. If patch exists, download and apply. 3. Test functionality after patching.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize txtsearch parameter before SQL query execution.
// PHP example: $search = mysqli_real_escape_string($conn, $_POST['txtsearch']);
Web Application Firewall
allDeploy WAF with SQL injection rules to block malicious requests.
🧯 If You Can't Patch
- Block external access to /ramonsys/inquiry/index.php via firewall rules.
- Implement database user with minimal privileges (read-only if possible).
🔍 How to Verify
Check if Vulnerable:
Test txtsearch parameter with SQL injection payloads like ' OR '1'='1 and observe database errors or unexpected behavior.Check Version:
Check software documentation or admin panel for version information.Verify Fix Applied:
Retest with same payloads; successful fix should return proper error handling or no data leakage.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL syntax in web server logs for /ramonsys/inquiry/index.php
- Database error messages containing SQL fragments
Network Indicators:
- HTTP POST requests to vulnerable endpoint with SQL keywords in parameters
SIEM Query:
source="web_server" AND uri="/ramonsys/inquiry/index.php" AND (param="txtsearch" AND value MATCHES "(?i)(union|select|or|and|'|--|#)")