CVE-2025-11089
📋 TL;DR
This CVE describes a SQL injection vulnerability in kidaze CourseSelectionSystem that allows remote attackers to execute arbitrary SQL commands via manipulation of the 'cbranch' parameter in the /Profilers/PriProfile/COUNT3s4.php file. The vulnerability affects all versions up to commit 42cd892b40a18d50bd4ed1905fa89f939173a464. Organizations using this software are at risk of data theft, modification, or system compromise.
💻 Affected Systems
- kidaze CourseSelectionSystem
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise allowing data exfiltration, modification, or deletion, potentially leading to full system takeover if database privileges permit.
Likely Case
Unauthorized access to sensitive student/course data, potential privilege escalation, and data manipulation.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation in place.
🎯 Exploit Status
The exploit has been publicly disclosed and the vulnerability is straightforward SQL injection with remote execution capability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown - product uses rolling releases
Vendor Advisory: None provided in CVE details
Restart Required: No
Instructions:
1. Update to latest version after commit 42cd892b40a18d50bd4ed1905fa89f939173a464
2. Verify the fix implements proper input validation and parameterized queries
3. Test the COUNT3s4.php endpoint with SQL injection payloads
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allImplement WAF rules to block SQL injection patterns targeting the cbranch parameter
# Example ModSecurity rule:
SecRule ARGS:cbranch "@detectSQLi" "id:1001,phase:2,deny,status:403,msg:'SQLi attempt detected'"
# Example naxsi rule:
MainRule "str:cbranch" "msg:SQLi attempt" "mz:ARGS" "s:$SQL:4" id:1001;
Input Validation Filter
allAdd input validation to sanitize the cbranch parameter before processing
# PHP example:
$cbranch = filter_var($_GET['cbranch'], FILTER_SANITIZE_STRING);
$cbranch = mysqli_real_escape_string($connection, $cbranch);
# Better: Use prepared statements:
$stmt = $conn->prepare("SELECT * FROM table WHERE branch = ?");
$stmt->bind_param("s", $cbranch);
🧯 If You Can't Patch
- Implement network segmentation to restrict access to the vulnerable endpoint
- Deploy a web application firewall with SQL injection detection rules
🔍 How to Verify
Check if Vulnerable:
Test the /Profilers/PriProfile/COUNT3s4.php endpoint with SQL injection payloads in the cbranch parameter (e.g., cbranch=' OR '1'='1)Check Version:
Check git commit hash: git log --oneline -1Verify Fix Applied:
Verify that SQL injection payloads no longer work and that the application uses parameterized queries or proper input validation📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed parameter validation attempts
- Requests to COUNT3s4.php with suspicious cbranch values
Network Indicators:
- HTTP requests with SQL keywords in cbranch parameter
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND uri="/Profilers/PriProfile/COUNT3s4.php" AND (query="*OR*" OR query="*UNION*" OR query="*SELECT*" OR query="*INSERT*" OR query="*DELETE*")